115945820

素因数分解:

$2^2\times 5^1\times {\mathrm{1997}}^1\times {\mathrm{2903}}^1$

素因数の和:4909

約数の個数: 24

約数和(自身を含む): 243692064

約数和(自身を除く): 127746244

約数列:

[1, 2, 4, 5, 10, 20, 1997, 2903, 3994, 5806, 7988, 9985, 11612, 14515, 19970, 29030, 39940, 58060, 5797291, 11594582, 23189164, 28986455, 57972910, 115945820]

約数ペア:

[(1, 115945820), (2, 57972910), (4, 28986455), (5, 23189164), (10, 11594582), (20, 5797291), (1997, 58060), (2903, 39940), (3994, 29030), (5806, 19970), (7988, 14515), (9985, 11612)]