Q: What is the sum of all factors of the number 16,320 excluding 16,320?

A: 38,544

Why is 38,544 the sum of all factors of 16,320, excluding 16,320?

The factors of the number 16,320 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 408, 480, 510, 544, 680, 816, 960, 1020, 1088, 1360, 1632, 2040, 2720, 3264, 4080, 5440, 8160, 16320.

If you add them up, you will get the total of 16,358. Now subtract 16,320 to get 38,544