90008080

素因数分解:

$2^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{7451}}^1$

素因数の和:7615

約数の個数: 40

約数和(自身を含む): 210682944

約数和(自身を除く): 120674864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151, 302, 604, 755, 1208, 1510, 2416, 3020, 6040, 7451, 12080, 14902, 29804, 37255, 59608, 74510, 119216, 149020, 298040, 596080, 1125101, 2250202, 4500404, 5625505, 9000808, 11251010, 18001616, 22502020, 45004040, 90008080]

約数ペア:

[(1, 90008080), (2, 45004040), (4, 22502020), (5, 18001616), (8, 11251010), (10, 9000808), (16, 5625505), (20, 4500404), (40, 2250202), (80, 1125101), (151, 596080), (302, 298040), (604, 149020), (755, 119216), (1208, 74510), (1510, 59608), (2416, 37255), (3020, 29804), (6040, 14902), (7451, 12080)]