Q: What is the sum of all factors of the number 13,275,840 excluding 13,275,840?

A: 28,878,000

Why is 28,878,000 the sum of all factors of 13,275,840, excluding 13,275,840?

The factors of the number 13,275,840 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 13829, 27658, 41487, 55316, 69145, 82974, 110632, 138290, 165948, 207435, 221264, 276580, 331896, 414870, 442528, 553160, 663792, 829740, 885056, 1106320, 1327584, 1659480, 2212640, 2655168, 3318960, 4425280, 6637920, 13275840.

If you add them up, you will get the total of 13,275,868. Now subtract 13,275,840 to get 28,878,000