8353640

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2153}}^1$

素因数の和:2261

約数の個数: 32

約数和(自身を含む): 18998280

約数和(自身を除く): 10644640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 2153, 3880, 4306, 8612, 10765, 17224, 21530, 43060, 86120, 208841, 417682, 835364, 1044205, 1670728, 2088410, 4176820, 8353640]

約数ペア:

[(1, 8353640), (2, 4176820), (4, 2088410), (5, 1670728), (8, 1044205), (10, 835364), (20, 417682), (40, 208841), (97, 86120), (194, 43060), (388, 21530), (485, 17224), (776, 10765), (970, 8612), (1940, 4306), (2153, 3880)]