15147980

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{7499}}^1$

素因数の和:7609

約数の個数: 24

約数和(自身を含む): 32130000

約数和(自身を除く): 16982020

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 7499, 14998, 29996, 37495, 74990, 149980, 757399, 1514798, 3029596, 3786995, 7573990, 15147980]

約数ペア:

[(1, 15147980), (2, 7573990), (4, 3786995), (5, 3029596), (10, 1514798), (20, 757399), (101, 149980), (202, 74990), (404, 37495), (505, 29996), (1010, 14998), (2020, 7499)]