8090240

素因数分解:

$2^7\times 5^1\times {\mathrm{12641}}^1$

素因数の和:12660

約数の個数: 32

約数和(自身を含む): 19342260

約数和(自身を除く): 11252020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 12641, 25282, 50564, 63205, 101128, 126410, 202256, 252820, 404512, 505640, 809024, 1011280, 1618048, 2022560, 4045120, 8090240]

約数ペア:

[(1, 8090240), (2, 4045120), (4, 2022560), (5, 1618048), (8, 1011280), (10, 809024), (16, 505640), (20, 404512), (32, 252820), (40, 202256), (64, 126410), (80, 101128), (128, 63205), (160, 50564), (320, 25282), (640, 12641)]