90706040

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{21193}}^1$

素因数の和:21311

約数の個数: 32

約数和(自身を含む): 206005680

約数和(自身を除く): 115299640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 21193, 42386, 84772, 105965, 169544, 211930, 423860, 847720, 2267651, 4535302, 9070604, 11338255, 18141208, 22676510, 45353020, 90706040]

約数ペア:

[(1, 90706040), (2, 45353020), (4, 22676510), (5, 18141208), (8, 11338255), (10, 9070604), (20, 4535302), (40, 2267651), (107, 847720), (214, 423860), (428, 211930), (535, 169544), (856, 105965), (1070, 84772), (2140, 42386), (4280, 21193)]