25446020

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{4091}}^1$

素因数の和:4411

約数の個数: 24

約数和(自身を含む): 53621568

約数和(自身を除く): 28175548

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 4091, 6220, 8182, 16364, 20455, 40910, 81820, 1272301, 2544602, 5089204, 6361505, 12723010, 25446020]

約数ペア:

[(1, 25446020), (2, 12723010), (4, 6361505), (5, 5089204), (10, 2544602), (20, 1272301), (311, 81820), (622, 40910), (1244, 20455), (1555, 16364), (3110, 8182), (4091, 6220)]