Q: What is the sum of all factors of the number 640,076 excluding 640,076?

 A: 480,064

Why is 480,064 the sum of all factors of 640,076, excluding 640,076?

The factors of the number 640,076 are: 1, 2, 4, 160019, 320038, 640076.

If you add them up, you will get the total of 640,556. Now subtract 640,076 to get 480,064


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