80404225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{3701}}^1$

素因数の和:3801

約数の個数: 24

約数和(自身を含む): 110171520

約数和(自身を除く): 29767295

約数列:

[1, 5, 11, 25, 55, 79, 275, 395, 869, 1975, 3701, 4345, 18505, 21725, 40711, 92525, 203555, 292379, 1017775, 1461895, 3216169, 7309475, 16080845, 80404225]

約数ペア:

[(1, 80404225), (5, 16080845), (11, 7309475), (25, 3216169), (55, 1461895), (79, 1017775), (275, 292379), (395, 203555), (869, 92525), (1975, 40711), (3701, 21725), (4345, 18505)]