39664990

素因数分解:

$2^1\times 5^1\times {\mathrm{569}}^1\times {\mathrm{6971}}^1$

素因数の和:7547

約数の個数: 16

約数和(自身を含む): 71532720

約数和(自身を除く): 31867730

約数列:

[1, 2, 5, 10, 569, 1138, 2845, 5690, 6971, 13942, 34855, 69710, 3966499, 7932998, 19832495, 39664990]

約数ペア:

[(1, 39664990), (2, 19832495), (5, 7932998), (10, 3966499), (569, 69710), (1138, 34855), (2845, 13942), (5690, 6971)]