Q: What is the sum of all factors of the number 111,800 excluding 111,800?

A: 174,640

Why is 174,640 the sum of all factors of 111,800, excluding 111,800?

The factors of the number 111,800 are: 1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 43, 50, 52, 65, 86, 100, 104, 130, 172, 200, 215, 260, 325, 344, 430, 520, 559, 650, 860, 1075, 1118, 1300, 1720, 2150, 2236, 2600, 2795, 4300, 4472, 5590, 8600, 11180, 13975, 22360, 27950, 55900, 111800.

If you add them up, you will get the total of 111,974. Now subtract 111,800 to get 174,640