854960

素因数分解:

$2^4\times 5^1\times {\mathrm{10687}}^1$

素因数の和:10700

約数の個数: 20

約数和(自身を含む): 1987968

約数和(自身を除く): 1133008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10687, 21374, 42748, 53435, 85496, 106870, 170992, 213740, 427480, 854960]

約数ペア:

[(1, 854960), (2, 427480), (4, 213740), (5, 170992), (8, 106870), (10, 85496), (16, 53435), (20, 42748), (40, 21374), (80, 10687)]