205740275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{1429}}^1$

素因数の和:1895

約数の個数: 24

約数和(自身を含む): 275555280

約数和(自身を除く): 69815005

約数列:

[1, 5, 13, 25, 65, 325, 443, 1429, 2215, 5759, 7145, 11075, 18577, 28795, 35725, 92885, 143975, 464425, 633047, 3165235, 8229611, 15826175, 41148055, 205740275]

約数ペア:

[(1, 205740275), (5, 41148055), (13, 15826175), (25, 8229611), (65, 3165235), (325, 633047), (443, 464425), (1429, 143975), (2215, 92885), (5759, 35725), (7145, 28795), (11075, 18577)]