8107775

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:156

約数の個数: 36

約数和(自身を含む): 11572920

約数和(自身を除く): 3465145

約数列:

[1, 5, 13, 19, 25, 65, 95, 101, 169, 247, 325, 475, 505, 845, 1235, 1313, 1919, 2525, 3211, 4225, 6175, 6565, 9595, 16055, 17069, 24947, 32825, 47975, 80275, 85345, 124735, 324311, 426725, 623675, 1621555, 8107775]

約数ペア:

[(1, 8107775), (5, 1621555), (13, 623675), (19, 426725), (25, 324311), (65, 124735), (95, 85345), (101, 80275), (169, 47975), (247, 32825), (325, 24947), (475, 17069), (505, 16055), (845, 9595), (1235, 6565), (1313, 6175), (1919, 4225), (2525, 3211)]