16645017820

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1993}}^1\times {\mathrm{7879}}^1$

素因数の和:9934

約数の個数: 48

約数和(自身を含む): 35636448960

約数和(自身を除く): 18991431140

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 1993, 3986, 7879, 7972, 9965, 15758, 19930, 31516, 39395, 39860, 78790, 105629, 157580, 211258, 417587, 422516, 528145, 835174, 1056290, 1670348, 2087935, 2112580, 4175870, 8351740, 15702847, 31405694, 62811388, 78514235, 157028470, 314056940, 832250891, 1664501782, 3329003564, 4161254455, 8322508910, 16645017820]

約数ペア:

[(1, 16645017820), (2, 8322508910), (4, 4161254455), (5, 3329003564), (10, 1664501782), (20, 832250891), (53, 314056940), (106, 157028470), (212, 78514235), (265, 62811388), (530, 31405694), (1060, 15702847), (1993, 8351740), (3986, 4175870), (7879, 2112580), (7972, 2087935), (9965, 1670348), (15758, 1056290), (19930, 835174), (31516, 528145), (39395, 422516), (39860, 417587), (78790, 211258), (105629, 157580)]