Q: What is the sum of all factors of the number 10,807,840 excluding 10,807,840?

A: 15,561,440

Why is 15,561,440 the sum of all factors of 10,807,840, excluding 10,807,840?

The factors of the number 10,807,840 are: 1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2179, 2480, 4358, 4960, 8716, 10895, 17432, 21790, 34864, 43580, 67549, 69728, 87160, 135098, 174320, 270196, 337745, 348640, 540392, 675490, 1080784, 1350980, 2161568, 2701960, 5403920, 10807840.

If you add them up, you will get the total of 10,807,855. Now subtract 10,807,840 to get 15,561,440