90505640

素因数分解:

$2^3\times 5^1\times {\mathrm{2262641}}^1$

素因数の和:2262652

約数の個数: 16

約数和(自身を含む): 203637780

約数和(自身を除く): 113132140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2262641, 4525282, 9050564, 11313205, 18101128, 22626410, 45252820, 90505640]

約数ペア:

[(1, 90505640), (2, 45252820), (4, 22626410), (5, 18101128), (8, 11313205), (10, 9050564), (20, 4525282), (40, 2262641)]