13553380

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{2179}}^1$

素因数の和:2499

約数の個数: 24

約数和(自身を含む): 28566720

約数和(自身を除く): 15013340

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 2179, 3110, 4358, 6220, 8716, 10895, 21790, 43580, 677669, 1355338, 2710676, 3388345, 6776690, 13553380]

約数ペア:

[(1, 13553380), (2, 6776690), (4, 3388345), (5, 2710676), (10, 1355338), (20, 677669), (311, 43580), (622, 21790), (1244, 10895), (1555, 8716), (2179, 6220), (3110, 4358)]