Q: What is the sum of all factors of the number 55,800 excluding 55,800?

A: 137,640

Why is 137,640 the sum of all factors of 55,800, excluding 55,800?

The factors of the number 55,800 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 31, 36, 40, 45, 50, 60, 62, 72, 75, 90, 93, 100, 120, 124, 150, 155, 180, 186, 200, 225, 248, 279, 300, 310, 360, 372, 450, 465, 558, 600, 620, 744, 775, 900, 930, 1116, 1240, 1395, 1550, 1800, 1860, 2232, 2325, 2790, 3100, 3720, 4650, 5580, 6200, 6975, 9300, 11160, 13950, 18600, 27900, 55800.

If you add them up, you will get the total of 55,937. Now subtract 55,800 to get 137,640