Q: What is the sum of all factors of the number 640,676 excluding 640,676?

 A: 480,514

Why is 480,514 the sum of all factors of 640,676, excluding 640,676?

The factors of the number 640,676 are: 1, 2, 4, 160169, 320338, 640676.

If you add them up, you will get the total of 641,156. Now subtract 640,676 to get 480,514


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