Q: What is the sum of all factors of the number 86,880 excluding 86,880?

A: 188,304

Why is 188,304 the sum of all factors of 86,880, excluding 86,880?

The factors of the number 86,880 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 181, 240, 362, 480, 543, 724, 905, 1086, 1448, 1810, 2172, 2715, 2896, 3620, 4344, 5430, 5792, 7240, 8688, 10860, 14480, 17376, 21720, 28960, 43440, 86880.

If you add them up, you will get the total of 87,068. Now subtract 86,880 to get 188,304