Why is 2,540 the sum of all factors of 1,216, including 1,216?
The factors of the number 1,216 are: 1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216.
If you add them up, you will get the total of 2,540.
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