82705640

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{9029}}^1$

素因数の和:9269

約数の個数: 32

約数和(自身を含む): 186921000

約数和(自身を除く): 104215360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1832, 2290, 4580, 9029, 9160, 18058, 36116, 45145, 72232, 90290, 180580, 361160, 2067641, 4135282, 8270564, 10338205, 16541128, 20676410, 41352820, 82705640]

約数ペア:

[(1, 82705640), (2, 41352820), (4, 20676410), (5, 16541128), (8, 10338205), (10, 8270564), (20, 4135282), (40, 2067641), (229, 361160), (458, 180580), (916, 90290), (1145, 72232), (1832, 45145), (2290, 36116), (4580, 18058), (9029, 9160)]