11861380

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5441}}^1$

素因数の和:5559

約数の個数: 24

約数和(自身を含む): 25142040

約数和(自身を除く): 13280660

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 5441, 10882, 21764, 27205, 54410, 108820, 593069, 1186138, 2372276, 2965345, 5930690, 11861380]

約数ペア:

[(1, 11861380), (2, 5930690), (4, 2965345), (5, 2372276), (10, 1186138), (20, 593069), (109, 108820), (218, 54410), (436, 27205), (545, 21764), (1090, 10882), (2180, 5441)]