40812460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{156971}}^1$

素因数の和:156993

約数の個数: 24

約数和(自身を含む): 92299536

約数和(自身を除く): 51487076

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 156971, 313942, 627884, 784855, 1569710, 2040623, 3139420, 4081246, 8162492, 10203115, 20406230, 40812460]

約数ペア:

[(1, 40812460), (2, 20406230), (4, 10203115), (5, 8162492), (10, 4081246), (13, 3139420), (20, 2040623), (26, 1569710), (52, 784855), (65, 627884), (130, 313942), (260, 156971)]