289026040

素因数分解:

$2^3\times 5^1\times {\mathrm{7225651}}^1$

素因数の和:7225662

約数の個数: 16

約数和(自身を含む): 650308680

約数和(自身を除く): 361282640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7225651, 14451302, 28902604, 36128255, 57805208, 72256510, 144513020, 289026040]

約数ペア:

[(1, 289026040), (2, 144513020), (4, 72256510), (5, 57805208), (8, 36128255), (10, 28902604), (20, 14451302), (40, 7225651)]