56781220

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{11311}}^1$

素因数の和:11571

約数の個数: 24

約数和(自身を含む): 119726208

約数和(自身を除く): 62944988

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 11311, 22622, 45244, 56555, 113110, 226220, 2839061, 5678122, 11356244, 14195305, 28390610, 56781220]

約数ペア:

[(1, 56781220), (2, 28390610), (4, 14195305), (5, 11356244), (10, 5678122), (20, 2839061), (251, 226220), (502, 113110), (1004, 56555), (1255, 45244), (2510, 22622), (5020, 11311)]