65180420

素因数分解:

$2^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{8599}}^1$

素因数の和:8987

約数の個数: 24

約数和(自身を含む): 137256000

約数和(自身を除く): 72075580

約数列:

[1, 2, 4, 5, 10, 20, 379, 758, 1516, 1895, 3790, 7580, 8599, 17198, 34396, 42995, 85990, 171980, 3259021, 6518042, 13036084, 16295105, 32590210, 65180420]

約数ペア:

[(1, 65180420), (2, 32590210), (4, 16295105), (5, 13036084), (10, 6518042), (20, 3259021), (379, 171980), (758, 85990), (1516, 42995), (1895, 34396), (3790, 17198), (7580, 8599)]