Q: What is the sum of all factors of the number 13,272,320 excluding 13,272,320?

A: 18,522,100

Why is 18,522,100 the sum of all factors of 13,272,320, excluding 13,272,320?

The factors of the number 13,272,320 are: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 10369, 20738, 41476, 51845, 82952, 103690, 165904, 207380, 331808, 414760, 663616, 829520, 1327232, 1659040, 2654464, 3318080, 6636160, 13272320.

If you add them up, you will get the total of 13,272,338. Now subtract 13,272,320 to get 18,522,100