156906241780

素因数分解:

$2^2\times 5^1\times {\mathrm{7845312089}}^1$

素因数の和:7845312098

約数の個数: 12

約数和(自身を含む): 329503107780

約数和(自身を除く): 172596866000

約数列:

[1, 2, 4, 5, 10, 20, 7845312089, 15690624178, 31381248356, 39226560445, 78453120890, 156906241780]

約数ペア:

[(1, 156906241780), (2, 78453120890), (4, 39226560445), (5, 31381248356), (10, 15690624178), (20, 7845312089)]