Q: What is the sum of all factors of the number 9,600 excluding 9,600?

A: 22,020

Why is 22,020 the sum of all factors of 9,600, excluding 9,600?

The factors of the number 9,600 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 150, 160, 192, 200, 240, 300, 320, 384, 400, 480, 600, 640, 800, 960, 1200, 1600, 1920, 2400, 3200, 4800, 9600.

If you add them up, you will get the total of 9,622. Now subtract 9,600 to get 22,020