2020884080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1329529}}^1$

素因数の和:1329561

約数の個数: 40

約数和(自身を含む): 4945851600

約数和(自身を除く): 2924967520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1329529, 2659058, 5318116, 6647645, 10636232, 13295290, 21272464, 25261051, 26590580, 50522102, 53181160, 101044204, 106362320, 126305255, 202088408, 252610510, 404176816, 505221020, 1010442040, 2020884080]

約数ペア:

[(1, 2020884080), (2, 1010442040), (4, 505221020), (5, 404176816), (8, 252610510), (10, 202088408), (16, 126305255), (19, 106362320), (20, 101044204), (38, 53181160), (40, 50522102), (76, 26590580), (80, 25261051), (95, 21272464), (152, 13295290), (190, 10636232), (304, 6647645), (380, 5318116), (760, 2659058), (1520, 1329529)]