27690580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{33769}}^1$

素因数の和:33819

約数の個数: 24

約数和(自身を含む): 59570280

約数和(自身を除く): 31879700

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 33769, 67538, 135076, 168845, 337690, 675380, 1384529, 2769058, 5538116, 6922645, 13845290, 27690580]

約数ペア:

[(1, 27690580), (2, 13845290), (4, 6922645), (5, 5538116), (10, 2769058), (20, 1384529), (41, 675380), (82, 337690), (164, 168845), (205, 135076), (410, 67538), (820, 33769)]