Q: What is the sum of all factors of the number 1,636,040 including 1,636,040?

Why is 4,207,680 the sum of all factors of 1,636,040, including 1,636,040?

The factors of the number 1,636,040 are: 1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 5843, 11686, 23372, 29215, 40901, 46744, 58430, 81802, 116860, 163604, 204505, 233720, 327208, 409010, 818020, 1636040.

If you add them up, you will get the total of 4,207,680.

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