155372080

素因数分解:

$2^4\times 5^1\times {\mathrm{1942151}}^1$

素因数の和:1942164

約数の個数: 20

約数和(自身を含む): 361240272

約数和(自身を除く): 205868192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1942151, 3884302, 7768604, 9710755, 15537208, 19421510, 31074416, 38843020, 77686040, 155372080]

約数ペア:

[(1, 155372080), (2, 77686040), (4, 38843020), (5, 31074416), (8, 19421510), (10, 15537208), (16, 9710755), (20, 7768604), (40, 3884302), (80, 1942151)]