77972080

素因数分解:

$2^4\times 5^1\times {\mathrm{974651}}^1$

素因数の和:974664

約数の個数: 20

約数和(自身を含む): 181285272

約数和(自身を除く): 103313192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 974651, 1949302, 3898604, 4873255, 7797208, 9746510, 15594416, 19493020, 38986040, 77972080]

約数ペア:

[(1, 77972080), (2, 38986040), (4, 19493020), (5, 15594416), (8, 9746510), (10, 7797208), (16, 4873255), (20, 3898604), (40, 1949302), (80, 974651)]