858985240

素因数分解:

$2^3\times 5^1\times {\mathrm{2707}}^1\times {\mathrm{7933}}^1$

素因数の和:10651

約数の個数: 32

約数和(自身を含む): 1933674480

約数和(自身を除く): 1074689240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2707, 5414, 7933, 10828, 13535, 15866, 21656, 27070, 31732, 39665, 54140, 63464, 79330, 108280, 158660, 317320, 21474631, 42949262, 85898524, 107373155, 171797048, 214746310, 429492620, 858985240]

約数ペア:

[(1, 858985240), (2, 429492620), (4, 214746310), (5, 171797048), (8, 107373155), (10, 85898524), (20, 42949262), (40, 21474631), (2707, 317320), (5414, 158660), (7933, 108280), (10828, 79330), (13535, 63464), (15866, 54140), (21656, 39665), (27070, 31732)]