855080

素因数分解:

$2^3\times 5^1\times {\mathrm{21377}}^1$

素因数の和:21388

約数の個数: 16

約数和(自身を含む): 1924020

約数和(自身を除く): 1068940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 21377, 42754, 85508, 106885, 171016, 213770, 427540, 855080]

約数ペア:

[(1, 855080), (2, 427540), (4, 213770), (5, 171016), (8, 106885), (10, 85508), (20, 42754), (40, 21377)]