4047640

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2153}}^1$

素因数の和:2211

約数の個数: 32

約数和(自身を含む): 9305280

約数和(自身を除く): 5257640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 2153, 4306, 8612, 10765, 17224, 21530, 43060, 86120, 101191, 202382, 404764, 505955, 809528, 1011910, 2023820, 4047640]

約数ペア:

[(1, 4047640), (2, 2023820), (4, 1011910), (5, 809528), (8, 505955), (10, 404764), (20, 202382), (40, 101191), (47, 86120), (94, 43060), (188, 21530), (235, 17224), (376, 10765), (470, 8612), (940, 4306), (1880, 2153)]