Q: What is the sum of all factors of the number 45,240 excluding 45,240?

A: 105,960

Why is 105,960 the sum of all factors of 45,240, excluding 45,240?

The factors of the number 45,240 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 29, 30, 39, 40, 52, 58, 60, 65, 78, 87, 104, 116, 120, 130, 145, 156, 174, 195, 232, 260, 290, 312, 348, 377, 390, 435, 520, 580, 696, 754, 780, 870, 1131, 1160, 1508, 1560, 1740, 1885, 2262, 3016, 3480, 3770, 4524, 5655, 7540, 9048, 11310, 15080, 22620, 45240.

If you add them up, you will get the total of 45,345. Now subtract 45,240 to get 105,960