25118740

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{4091}}^1$

素因数の和:4407

約数の個数: 24

約数和(自身を含む): 52934112

約数和(自身を除く): 27815372

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 3070, 4091, 6140, 8182, 16364, 20455, 40910, 81820, 1255937, 2511874, 5023748, 6279685, 12559370, 25118740]

約数ペア:

[(1, 25118740), (2, 12559370), (4, 6279685), (5, 5023748), (10, 2511874), (20, 1255937), (307, 81820), (614, 40910), (1228, 20455), (1535, 16364), (3070, 8182), (4091, 6140)]