Q: What is the sum of all factors of the number 10,200 excluding 10,200?

A: 23,280

Why is 23,280 the sum of all factors of 10,200, excluding 10,200?

The factors of the number 10,200 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 25, 30, 34, 40, 50, 51, 60, 68, 75, 85, 100, 102, 120, 136, 150, 170, 200, 204, 255, 300, 340, 408, 425, 510, 600, 680, 850, 1020, 1275, 1700, 2040, 2550, 3400, 5100, 10200.

If you add them up, you will get the total of 10,223. Now subtract 10,200 to get 23,280