Q: What is the sum of all factors of the number 1,086,820 including 1,086,820?

Why is 2,657,340 the sum of all factors of 1,086,820, including 1,086,820?

The factors of the number 1,086,820 are: 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1109, 2218, 4436, 5545, 7763, 11090, 15526, 22180, 31052, 38815, 54341, 77630, 108682, 155260, 217364, 271705, 543410, 1086820.

If you add them up, you will get the total of 2,657,340.

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