Q: What is the sum of all factors of the number 22,320 excluding 22,320?

A: 55,056

Why is 55,056 the sum of all factors of 22,320, excluding 22,320?

The factors of the number 22,320 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 11160, 22320.

If you add them up, you will get the total of 22,375. Now subtract 22,320 to get 55,056