156716740

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{7907}}^1$

素因数の和:8907

約数の個数: 24

約数和(自身を含む): 329478912

約数和(自身を除く): 172762172

約数列:

[1, 2, 4, 5, 10, 20, 991, 1982, 3964, 4955, 7907, 9910, 15814, 19820, 31628, 39535, 79070, 158140, 7835837, 15671674, 31343348, 39179185, 78358370, 156716740]

約数ペア:

[(1, 156716740), (2, 78358370), (4, 39179185), (5, 31343348), (10, 15671674), (20, 7835837), (991, 158140), (1982, 79070), (3964, 39535), (4955, 31628), (7907, 19820), (9910, 15814)]