4638980

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1423}}^1$

素因数の和:1595

約数の個数: 24

約数和(自身を含む): 9808512

約数和(自身を除く): 5169532

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1423, 1630, 2846, 3260, 5692, 7115, 14230, 28460, 231949, 463898, 927796, 1159745, 2319490, 4638980]

約数ペア:

[(1, 4638980), (2, 2319490), (4, 1159745), (5, 927796), (10, 463898), (20, 231949), (163, 28460), (326, 14230), (652, 7115), (815, 5692), (1423, 3260), (1630, 2846)]