156798180020

素因数分解:

$2^2\times 5^1\times {\mathrm{7839909001}}^1$

素因数の和:7839909010

約数の個数: 12

約数和(自身を含む): 329276178084

約数和(自身を除く): 172477998064

約数列:

[1, 2, 4, 5, 10, 20, 7839909001, 15679818002, 31359636004, 39199545005, 78399090010, 156798180020]

約数ペア:

[(1, 156798180020), (2, 78399090010), (4, 39199545005), (5, 31359636004), (10, 15679818002), (20, 7839909001)]