89057960

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{7159}}^1$

素因数の和:7481

約数の個数: 32

約数和(自身を含む): 201052800

約数和(自身を除く): 111994840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 6220, 7159, 12440, 14318, 28636, 35795, 57272, 71590, 143180, 286360, 2226449, 4452898, 8905796, 11132245, 17811592, 22264490, 44528980, 89057960]

約数ペア:

[(1, 89057960), (2, 44528980), (4, 22264490), (5, 17811592), (8, 11132245), (10, 8905796), (20, 4452898), (40, 2226449), (311, 286360), (622, 143180), (1244, 71590), (1555, 57272), (2488, 35795), (3110, 28636), (6220, 14318), (7159, 12440)]