Q: What is the sum of all factors of the number 412,880 excluding 412,880?

A: 623,512

Why is 623,512 the sum of all factors of 412,880, excluding 412,880?

The factors of the number 412,880 are: 1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 397, 520, 794, 1040, 1588, 1985, 3176, 3970, 5161, 6352, 7940, 10322, 15880, 20644, 25805, 31760, 41288, 51610, 82576, 103220, 206440, 412880.

If you add them up, you will get the total of 413,503. Now subtract 412,880 to get 623,512