Q: What is the sum of all factors of the number 12,912,500 excluding 12,912,500?

A: 15,359,128

Why is 15,359,128 the sum of all factors of 12,912,500, excluding 12,912,500?

The factors of the number 12,912,500 are: 1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1033, 1250, 2066, 2500, 3125, 4132, 5165, 6250, 10330, 12500, 20660, 25825, 51650, 103300, 129125, 258250, 516500, 645625, 1291250, 2582500, 3228125, 6456250, 12912500.

If you add them up, you will get the total of 12,912,515. Now subtract 12,912,500 to get 15,359,128