12220510

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1$

素因数の和:616

約数の個数: 32

約数和(自身を含む): 23040000

約数和(自身を除く): 10819490

約数列:

[1, 2, 5, 10, 31, 62, 79, 155, 158, 310, 395, 499, 790, 998, 2449, 2495, 4898, 4990, 12245, 15469, 24490, 30938, 39421, 77345, 78842, 154690, 197105, 394210, 1222051, 2444102, 6110255, 12220510]

約数ペア:

[(1, 12220510), (2, 6110255), (5, 2444102), (10, 1222051), (31, 394210), (62, 197105), (79, 154690), (155, 78842), (158, 77345), (310, 39421), (395, 30938), (499, 24490), (790, 15469), (998, 12245), (2449, 4990), (2495, 4898)]