9081040

素因数分解:

$2^4\times 5^1\times {\mathrm{113513}}^1$

素因数の和:113526

約数の個数: 20

約数和(自身を含む): 21113604

約数和(自身を除く): 12032564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113513, 227026, 454052, 567565, 908104, 1135130, 1816208, 2270260, 4540520, 9081040]

約数ペア:

[(1, 9081040), (2, 4540520), (4, 2270260), (5, 1816208), (8, 1135130), (10, 908104), (16, 567565), (20, 454052), (40, 227026), (80, 113513)]