8518540

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{4391}}^1$

素因数の和:4497

約数の個数: 24

約数和(自身を含む): 18077472

約数和(自身を除く): 9558932

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 4391, 8782, 17564, 21955, 43910, 87820, 425927, 851854, 1703708, 2129635, 4259270, 8518540]

約数ペア:

[(1, 8518540), (2, 4259270), (4, 2129635), (5, 1703708), (10, 851854), (20, 425927), (97, 87820), (194, 43910), (388, 21955), (485, 17564), (970, 8782), (1940, 4391)]