Q: What is the sum of all factors of the number 40,687,400 excluding 40,687,400?

A: 61,194,100

Why is 61,194,100 the sum of all factors of 40,687,400, excluding 40,687,400?

The factors of the number 40,687,400 are: 1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 15649, 31298, 62596, 78245, 125192, 156490, 203437, 312980, 391225, 406874, 625960, 782450, 813748, 1017185, 1564900, 1627496, 2034370, 3129800, 4068740, 5085925, 8137480, 10171850, 20343700, 40687400.

If you add them up, you will get the total of 40,687,461. Now subtract 40,687,400 to get 61,194,100