1888580

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1061}}^1$

素因数の和:1159

約数の個数: 24

約数和(自身を含む): 4014360

約数和(自身を除く): 2125780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1061, 1780, 2122, 4244, 5305, 10610, 21220, 94429, 188858, 377716, 472145, 944290, 1888580]

約数ペア:

[(1, 1888580), (2, 944290), (4, 472145), (5, 377716), (10, 188858), (20, 94429), (89, 21220), (178, 10610), (356, 5305), (445, 4244), (890, 2122), (1061, 1780)]