156909602180

素因数分解:

$2^2\times 5^1\times {\mathrm{7845480109}}^1$

素因数の和:7845480118

約数の個数: 12

約数和(自身を含む): 329510164620

約数和(自身を除く): 172600562440

約数列:

[1, 2, 4, 5, 10, 20, 7845480109, 15690960218, 31381920436, 39227400545, 78454801090, 156909602180]

約数ペア:

[(1, 156909602180), (2, 78454801090), (4, 39227400545), (5, 31381920436), (10, 15690960218), (20, 7845480109)]