85812140

素因数分解:

$2^2\times 5^1\times {\mathrm{1451}}^1\times {\mathrm{2957}}^1$

素因数の和:4417

約数の個数: 24

約数和(自身を含む): 180390672

約数和(自身を除く): 94578532

約数列:

[1, 2, 4, 5, 10, 20, 1451, 2902, 2957, 5804, 5914, 7255, 11828, 14510, 14785, 29020, 29570, 59140, 4290607, 8581214, 17162428, 21453035, 42906070, 85812140]

約数ペア:

[(1, 85812140), (2, 42906070), (4, 21453035), (5, 17162428), (10, 8581214), (20, 4290607), (1451, 59140), (2902, 29570), (2957, 29020), (5804, 14785), (5914, 14510), (7255, 11828)]