71142040

素因数分解:

$2^3\times 5^1\times {\mathrm{1778551}}^1$

素因数の和:1778562

約数の個数: 16

約数和(自身を含む): 160069680

約数和(自身を除く): 88927640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1778551, 3557102, 7114204, 8892755, 14228408, 17785510, 35571020, 71142040]

約数ペア:

[(1, 71142040), (2, 35571020), (4, 17785510), (5, 14228408), (8, 8892755), (10, 7114204), (20, 3557102), (40, 1778551)]