28081310

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{68491}}^1$

素因数の和:68539

約数の個数: 16

約数和(自身を含む): 51779952

約数和(自身を除く): 23698642

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 68491, 136982, 342455, 684910, 2808131, 5616262, 14040655, 28081310]

約数ペア:

[(1, 28081310), (2, 14040655), (5, 5616262), (10, 2808131), (41, 684910), (82, 342455), (205, 136982), (410, 68491)]