90944440

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{22511}}^1$

素因数の和:22623

約数の個数: 32

約数和(自身を含む): 206660160

約数和(自身を除く): 115715720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 22511, 45022, 90044, 112555, 180088, 225110, 450220, 900440, 2273611, 4547222, 9094444, 11368055, 18188888, 22736110, 45472220, 90944440]

約数ペア:

[(1, 90944440), (2, 45472220), (4, 22736110), (5, 18188888), (8, 11368055), (10, 9094444), (20, 4547222), (40, 2273611), (101, 900440), (202, 450220), (404, 225110), (505, 180088), (808, 112555), (1010, 90044), (2020, 45022), (4040, 22511)]