159477620

素因数分解:

$2^2\times 5^1\times {\mathrm{7973881}}^1$

素因数の和:7973890

約数の個数: 12

約数和(自身を含む): 334903044

約数和(自身を除く): 175425424

約数列:

[1, 2, 4, 5, 10, 20, 7973881, 15947762, 31895524, 39869405, 79738810, 159477620]

約数ペア:

[(1, 159477620), (2, 79738810), (4, 39869405), (5, 31895524), (10, 15947762), (20, 7973881)]