72884860

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{35381}}^1$

素因数の和:35493

約数の個数: 24

約数和(自身を含む): 154548576

約数和(自身を除く): 81663716

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 35381, 70762, 141524, 176905, 353810, 707620, 3644243, 7288486, 14576972, 18221215, 36442430, 72884860]

約数ペア:

[(1, 72884860), (2, 36442430), (4, 18221215), (5, 14576972), (10, 7288486), (20, 3644243), (103, 707620), (206, 353810), (412, 176905), (515, 141524), (1030, 70762), (2060, 35381)]