217060720

素因数分解:

$2^4\times 5^1\times {\mathrm{2713259}}^1$

素因数の和:2713272

約数の個数: 20

約数和(自身を含む): 504666360

約数和(自身を除く): 287605640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2713259, 5426518, 10853036, 13566295, 21706072, 27132590, 43412144, 54265180, 108530360, 217060720]

約数ペア:

[(1, 217060720), (2, 108530360), (4, 54265180), (5, 43412144), (8, 27132590), (10, 21706072), (16, 13566295), (20, 10853036), (40, 5426518), (80, 2713259)]