156940020740

素因数分解:

$2^2\times 5^1\times {\mathrm{7847001037}}^1$

素因数の和:7847001046

約数の個数: 12

約数和(自身を含む): 329574043596

約数和(自身を除く): 172634022856

約数列:

[1, 2, 4, 5, 10, 20, 7847001037, 15694002074, 31388004148, 39235005185, 78470010370, 156940020740]

約数ペア:

[(1, 156940020740), (2, 78470010370), (4, 39235005185), (5, 31388004148), (10, 15694002074), (20, 7847001037)]