205995080

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{24407}}^1$

素因数の和:24629

約数の個数: 32

約数和(自身を含む): 465704640

約数和(自身を除く): 259709560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 24407, 48814, 97628, 122035, 195256, 244070, 488140, 976280, 5149877, 10299754, 20599508, 25749385, 41199016, 51498770, 102997540, 205995080]

約数ペア:

[(1, 205995080), (2, 102997540), (4, 51498770), (5, 41199016), (8, 25749385), (10, 20599508), (20, 10299754), (40, 5149877), (211, 976280), (422, 488140), (844, 244070), (1055, 195256), (1688, 122035), (2110, 97628), (4220, 48814), (8440, 24407)]