Q: What is the sum of all factors of the number 4,089,280 excluding 4,089,280?

A: 6,408,032

Why is 6,408,032 the sum of all factors of 4,089,280, excluding 4,089,280?

The factors of the number 4,089,280 are: 1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 983, 1040, 1966, 2080, 3932, 4160, 4915, 7864, 9830, 12779, 15728, 19660, 25558, 31456, 39320, 51116, 62912, 63895, 78640, 102232, 127790, 157280, 204464, 255580, 314560, 408928, 511160, 817856, 1022320, 2044640, 4089280.

If you add them up, you will get the total of 4,089,286. Now subtract 4,089,280 to get 6,408,032