8615620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2549}}^1$

素因数の和:2584

約数の個数: 36

約数和(自身を含む): 19599300

約数和(自身を除く): 10983680

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 2549, 3380, 5098, 10196, 12745, 25490, 33137, 50980, 66274, 132548, 165685, 331370, 430781, 662740, 861562, 1723124, 2153905, 4307810, 8615620]

約数ペア:

[(1, 8615620), (2, 4307810), (4, 2153905), (5, 1723124), (10, 861562), (13, 662740), (20, 430781), (26, 331370), (52, 165685), (65, 132548), (130, 66274), (169, 50980), (260, 33137), (338, 25490), (676, 12745), (845, 10196), (1690, 5098), (2549, 3380)]