**Sum of Factors Calculation**

Let us suppose that you are asked to find **the sum of all the factors** of a number.

Let the number be 240

Factor representation of 240 will be like

From the above representation, we can write total factors as

You can see **from the above calculations**, there **are 20 numbers which divide (factors) 240**.

Now imagine if you are asked to calculate the sum of all the 20 numbers, t**he process get tedious and consumes lot of time**.

Instead of manual calculation, we will use **shortcut method** to find the sum of all the factors.

You can see from above how easy it is to calculate sum of factors using the shortcut method.

Use this method to solve question asked in various competitive examinations.