What is the Sum of Factors of 1640?

The Sum of Factors of 1640 means that you add up all the factors of 1640. You may be looking for the Sum of Factors of 1640 including or excluding 1640 itself.

Here is the calculation and answer to the Sum of all Factors of 1640 including 1640:

1 + 2 + 4 + 5 + 8 + 10 + 20 + 40 + 41 + 82 + 164 + 205 + 328 + 410 + 820 + 1640 = 3780

Here is the calculation and answer to the Sum of Factors of 1640 if you exclude 1640 itself:

1 + 2 + 4 + 5 + 8 + 10 + 20 + 40 + 41 + 82 + 164 + 205 + 328 + 410 + 820 = 2140

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