Q: What is the sum of all factors of the number 679,640 including 679,640?

Why is 1,648,080 the sum of all factors of 679,640, including 679,640?

The factors of the number 679,640 are: 1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1307, 2614, 5228, 6535, 10456, 13070, 16991, 26140, 33982, 52280, 67964, 84955, 135928, 169910, 339820, 679640.

If you add them up, you will get the total of 1,648,080.

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