15639580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71089}}^1$

素因数の和:71109

約数の個数: 24

約数和(自身を含む): 35829360

約数和(自身を除く): 20189780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 71089, 142178, 284356, 355445, 710890, 781979, 1421780, 1563958, 3127916, 3909895, 7819790, 15639580]

約数ペア:

[(1, 15639580), (2, 7819790), (4, 3909895), (5, 3127916), (10, 1563958), (11, 1421780), (20, 781979), (22, 710890), (44, 355445), (55, 284356), (110, 142178), (220, 71089)]