2217681640

素因数分解:

$2^3\times 5^1\times {\mathrm{55442041}}^1$

素因数の和:55442052

約数の個数: 16

約数和(自身を含む): 4989783780

約数和(自身を除く): 2772102140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 55442041, 110884082, 221768164, 277210205, 443536328, 554420410, 1108840820, 2217681640]

約数ペア:

[(1, 2217681640), (2, 1108840820), (4, 554420410), (5, 443536328), (8, 277210205), (10, 221768164), (20, 110884082), (40, 55442041)]