78731260

素因数分解:

$2^2\times 5^1\times {\mathrm{1451}}^1\times {\mathrm{2713}}^1$

素因数の和:4173

約数の個数: 24

約数和(自身を含む): 165510576

約数和(自身を除く): 86779316

約数列:

[1, 2, 4, 5, 10, 20, 1451, 2713, 2902, 5426, 5804, 7255, 10852, 13565, 14510, 27130, 29020, 54260, 3936563, 7873126, 15746252, 19682815, 39365630, 78731260]

約数ペア:

[(1, 78731260), (2, 39365630), (4, 19682815), (5, 15746252), (10, 7873126), (20, 3936563), (1451, 54260), (2713, 29020), (2902, 27130), (5426, 14510), (5804, 13565), (7255, 10852)]