Q: What is the sum of all factors of the number 1,311,640 including 1,311,640?

A: 3,255,840

Why is 3,255,840 the sum of all factors of 1,311,640, including 1,311,640?

The factors of the number 1,311,640 are: 1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 271, 440, 484, 542, 605, 968, 1084, 1210, 1355, 2168, 2420, 2710, 2981, 4840, 5420, 5962, 10840, 11924, 14905, 23848, 29810, 32791, 59620, 65582, 119240, 131164, 163955, 262328, 327910, 655820, 1311640.

If you add them up, you will get the total of 3,255,840.