Q: What is the sum of all factors of the number 641,816 including 641,816?

Why is 1,403,040 the sum of all factors of 641,816, including 641,816?

The factors of the number 641,816 are: 1, 2, 4, 7, 8, 14, 28, 56, 73, 146, 157, 292, 314, 511, 584, 628, 1022, 1099, 1256, 2044, 2198, 4088, 4396, 8792, 11461, 22922, 45844, 80227, 91688, 160454, 320908, 641816.

If you add them up, you will get the total of 1,403,040.

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