26490980

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{4259}}^1$

素因数の和:4579

約数の個数: 24

約数和(自身を含む): 55823040

約数和(自身を除く): 29332060

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 4259, 6220, 8518, 17036, 21295, 42590, 85180, 1324549, 2649098, 5298196, 6622745, 13245490, 26490980]

約数ペア:

[(1, 26490980), (2, 13245490), (4, 6622745), (5, 5298196), (10, 2649098), (20, 1324549), (311, 85180), (622, 42590), (1244, 21295), (1555, 17036), (3110, 8518), (4259, 6220)]