Q: What is the sum of all factors of the number 535,840 excluding 535,840?

A: 811,352

Why is 811,352 the sum of all factors of 535,840, excluding 535,840?

The factors of the number 535,840 are: 1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 197, 272, 340, 394, 544, 680, 788, 985, 1360, 1576, 1970, 2720, 3152, 3349, 3940, 6304, 6698, 7880, 13396, 15760, 16745, 26792, 31520, 33490, 53584, 66980, 107168, 133960, 267920, 535840.

If you add them up, you will get the total of 536,651. Now subtract 535,840 to get 811,352