7965640

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2053}}^1$

素因数の和:2161

約数の個数: 32

約数和(自身を含む): 18116280

約数和(自身を除く): 10150640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 2053, 3880, 4106, 8212, 10265, 16424, 20530, 41060, 82120, 199141, 398282, 796564, 995705, 1593128, 1991410, 3982820, 7965640]

約数ペア:

[(1, 7965640), (2, 3982820), (4, 1991410), (5, 1593128), (8, 995705), (10, 796564), (20, 398282), (40, 199141), (97, 82120), (194, 41060), (388, 20530), (485, 16424), (776, 10265), (970, 8212), (1940, 4106), (2053, 3880)]