202111100

素因数分解:

$2^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{20011}}^1$

素因数の和:20126

約数の個数: 36

約数和(自身を含む): 442945608

約数和(自身を除く): 240834508

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 202, 404, 505, 1010, 2020, 2525, 5050, 10100, 20011, 40022, 80044, 100055, 200110, 400220, 500275, 1000550, 2001100, 2021111, 4042222, 8084444, 10105555, 20211110, 40422220, 50527775, 101055550, 202111100]

約数ペア:

[(1, 202111100), (2, 101055550), (4, 50527775), (5, 40422220), (10, 20211110), (20, 10105555), (25, 8084444), (50, 4042222), (100, 2021111), (101, 2001100), (202, 1000550), (404, 500275), (505, 400220), (1010, 200110), (2020, 100055), (2525, 80044), (5050, 40022), (10100, 20011)]