Q: What is the sum of all factors of the number 31,416 including 31,416?

A: 103,680

Why is 103,680 the sum of all factors of 31,416, including 31,416?

The factors of the number 31,416 are: 1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 17, 21, 22, 24, 28, 33, 34, 42, 44, 51, 56, 66, 68, 77, 84, 88, 102, 119, 132, 136, 154, 168, 187, 204, 231, 238, 264, 308, 357, 374, 408, 462, 476, 561, 616, 714, 748, 924, 952, 1122, 1309, 1428, 1496, 1848, 2244, 2618, 2856, 3927, 4488, 5236, 7854, 10472, 15708, 31416.

If you add them up, you will get the total of 103,680.