72628520

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{5801}}^1$

素因数の和:6125

約数の個数: 32

約数和(自身を含む): 163964520

約数和(自身を除く): 91336000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 5801, 6260, 11602, 12520, 23204, 29005, 46408, 58010, 116020, 232040, 1815713, 3631426, 7262852, 9078565, 14525704, 18157130, 36314260, 72628520]

約数ペア:

[(1, 72628520), (2, 36314260), (4, 18157130), (5, 14525704), (8, 9078565), (10, 7262852), (20, 3631426), (40, 1815713), (313, 232040), (626, 116020), (1252, 58010), (1565, 46408), (2504, 29005), (3130, 23204), (5801, 12520), (6260, 11602)]