71301620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{274237}}^1$

素因数の和:274259

約数の個数: 24

約数和(自身を含む): 161251944

約数和(自身を除く): 89950324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 274237, 548474, 1096948, 1371185, 2742370, 3565081, 5484740, 7130162, 14260324, 17825405, 35650810, 71301620]

約数ペア:

[(1, 71301620), (2, 35650810), (4, 17825405), (5, 14260324), (10, 7130162), (13, 5484740), (20, 3565081), (26, 2742370), (52, 1371185), (65, 1096948), (130, 548474), (260, 274237)]