65142040

素因数分解:

$2^3\times 5^1\times {\mathrm{1628551}}^1$

素因数の和:1628562

約数の個数: 16

約数和(自身を含む): 146569680

約数和(自身を除く): 81427640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1628551, 3257102, 6514204, 8142755, 13028408, 16285510, 32571020, 65142040]

約数ペア:

[(1, 65142040), (2, 32571020), (4, 16285510), (5, 13028408), (8, 8142755), (10, 6514204), (20, 3257102), (40, 1628551)]