8640220

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{2861}}^1$

素因数の和:3021

約数の個数: 24

約数和(自身を含む): 18271008

約数和(自身を除く): 9630788

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 2861, 3020, 5722, 11444, 14305, 28610, 57220, 432011, 864022, 1728044, 2160055, 4320110, 8640220]

約数ペア:

[(1, 8640220), (2, 4320110), (4, 2160055), (5, 1728044), (10, 864022), (20, 432011), (151, 57220), (302, 28610), (604, 14305), (755, 11444), (1510, 5722), (2861, 3020)]