64662940

素因数分解:

$2^2\times 5^1\times {\mathrm{757}}^1\times {\mathrm{4271}}^1$

素因数の和:5037

約数の個数: 24

約数和(自身を含む): 136003392

約数和(自身を除く): 71340452

約数列:

[1, 2, 4, 5, 10, 20, 757, 1514, 3028, 3785, 4271, 7570, 8542, 15140, 17084, 21355, 42710, 85420, 3233147, 6466294, 12932588, 16165735, 32331470, 64662940]

約数ペア:

[(1, 64662940), (2, 32331470), (4, 16165735), (5, 12932588), (10, 6466294), (20, 3233147), (757, 85420), (1514, 42710), (3028, 21355), (3785, 17084), (4271, 15140), (7570, 8542)]