Q: What is the sum of all factors of the number 39,240 excluding 39,240?

A: 89,460

Why is 89,460 the sum of all factors of 39,240, excluding 39,240?

The factors of the number 39,240 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 109, 120, 180, 218, 327, 360, 436, 545, 654, 872, 981, 1090, 1308, 1635, 1962, 2180, 2616, 3270, 3924, 4360, 4905, 6540, 7848, 9810, 13080, 19620, 39240.

If you add them up, you will get the total of 39,329. Now subtract 39,240 to get 89,460