27644080

素因数分解:

$2^4\times 5^1\times {\mathrm{345551}}^1$

素因数の和:345564

約数の個数: 20

約数和(自身を含む): 64272672

約数和(自身を除く): 36628592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 345551, 691102, 1382204, 1727755, 2764408, 3455510, 5528816, 6911020, 13822040, 27644080]

約数ペア:

[(1, 27644080), (2, 13822040), (4, 6911020), (5, 5528816), (8, 3455510), (10, 2764408), (16, 1727755), (20, 1382204), (40, 691102), (80, 345551)]