127817780

素因数分解:

$2^2\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{6151}}^1$

素因数の和:7199

約数の個数: 24

約数和(自身を含む): 268719360

約数和(自身を除く): 140901580

約数列:

[1, 2, 4, 5, 10, 20, 1039, 2078, 4156, 5195, 6151, 10390, 12302, 20780, 24604, 30755, 61510, 123020, 6390889, 12781778, 25563556, 31954445, 63908890, 127817780]

約数ペア:

[(1, 127817780), (2, 63908890), (4, 31954445), (5, 25563556), (10, 12781778), (20, 6390889), (1039, 123020), (2078, 61510), (4156, 30755), (5195, 24604), (6151, 20780), (10390, 12302)]