64950980

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{14563}}^1$

素因数の和:14795

約数の個数: 24

約数和(自身を含む): 137018112

約数和(自身を除く): 72067132

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 14563, 29126, 58252, 72815, 145630, 291260, 3247549, 6495098, 12990196, 16237745, 32475490, 64950980]

約数ペア:

[(1, 64950980), (2, 32475490), (4, 16237745), (5, 12990196), (10, 6495098), (20, 3247549), (223, 291260), (446, 145630), (892, 72815), (1115, 58252), (2230, 29126), (4460, 14563)]