126757640

素因数分解:

$2^3\times 5^1\times {\mathrm{3168941}}^1$

素因数の和:3168952

約数の個数: 16

約数和(自身を含む): 285204780

約数和(自身を除く): 158447140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3168941, 6337882, 12675764, 15844705, 25351528, 31689410, 63378820, 126757640]

約数ペア:

[(1, 126757640), (2, 63378820), (4, 31689410), (5, 25351528), (8, 15844705), (10, 12675764), (20, 6337882), (40, 3168941)]