Q: What is the sum of all factors of the number 89,640 excluding 89,640?

A: 212,760

Why is 212,760 the sum of all factors of 89,640, excluding 89,640?

The factors of the number 89,640 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 83, 90, 108, 120, 135, 166, 180, 216, 249, 270, 332, 360, 415, 498, 540, 664, 747, 830, 996, 1080, 1245, 1494, 1660, 1992, 2241, 2490, 2988, 3320, 3735, 4482, 4980, 5976, 7470, 8964, 9960, 11205, 14940, 17928, 22410, 29880, 44820, 89640.

If you add them up, you will get the total of 89,852. Now subtract 89,640 to get 212,760