3980457080

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1025891}}^1$

素因数の和:1025999

約数の個数: 32

約数和(自身を含む): 9048367440

約数和(自身を除く): 5067910360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 1025891, 2051782, 4103564, 5129455, 8207128, 10258910, 20517820, 41035640, 99511427, 199022854, 398045708, 497557135, 796091416, 995114270, 1990228540, 3980457080]

約数ペア:

[(1, 3980457080), (2, 1990228540), (4, 995114270), (5, 796091416), (8, 497557135), (10, 398045708), (20, 199022854), (40, 99511427), (97, 41035640), (194, 20517820), (388, 10258910), (485, 8207128), (776, 5129455), (970, 4103564), (1940, 2051782), (3880, 1025891)]