12487490

素因数分解:

$2^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{1979}}^1$

素因数の和:2617

約数の個数: 16

約数和(自身を含む): 22524480

約数和(自身を除く): 10036990

約数列:

[1, 2, 5, 10, 631, 1262, 1979, 3155, 3958, 6310, 9895, 19790, 1248749, 2497498, 6243745, 12487490]

約数ペア:

[(1, 12487490), (2, 6243745), (5, 2497498), (10, 1248749), (631, 19790), (1262, 9895), (1979, 6310), (3155, 3958)]