68625820

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{12211}}^1$

素因数の和:12501

約数の個数: 24

約数和(自身を含む): 144638928

約数和(自身を除く): 76013108

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5620, 12211, 24422, 48844, 61055, 122110, 244220, 3431291, 6862582, 13725164, 17156455, 34312910, 68625820]

約数ペア:

[(1, 68625820), (2, 34312910), (4, 17156455), (5, 13725164), (10, 6862582), (20, 3431291), (281, 244220), (562, 122110), (1124, 61055), (1405, 48844), (2810, 24422), (5620, 12211)]