90414140

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{17189}}^1$

素因数の和:17461

約数の個数: 24

約数和(自身を含む): 190602720

約数和(自身を除く): 100188580

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 5260, 17189, 34378, 68756, 85945, 171890, 343780, 4520707, 9041414, 18082828, 22603535, 45207070, 90414140]

約数ペア:

[(1, 90414140), (2, 45207070), (4, 22603535), (5, 18082828), (10, 9041414), (20, 4520707), (263, 343780), (526, 171890), (1052, 85945), (1315, 68756), (2630, 34378), (5260, 17189)]