Q: What is the sum of all factors of the number 10,800 excluding 10,800?

A: 27,640

Why is 27,640 the sum of all factors of 10,800, excluding 10,800?

The factors of the number 10,800 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 90, 100, 108, 120, 135, 144, 150, 180, 200, 216, 225, 240, 270, 300, 360, 400, 432, 450, 540, 600, 675, 720, 900, 1080, 1200, 1350, 1800, 2160, 2700, 3600, 5400, 10800.

If you add them up, you will get the total of 10,827. Now subtract 10,800 to get 27,640