51542660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{198241}}^1$

素因数の和:198263

約数の個数: 24

約数和(自身を含む): 116566296

約数和(自身を除く): 65023636

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 198241, 396482, 792964, 991205, 1982410, 2577133, 3964820, 5154266, 10308532, 12885665, 25771330, 51542660]

約数ペア:

[(1, 51542660), (2, 25771330), (4, 12885665), (5, 10308532), (10, 5154266), (13, 3964820), (20, 2577133), (26, 1982410), (52, 991205), (65, 792964), (130, 396482), (260, 198241)]