80871340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{367597}}^1$

素因数の和:367617

約数の個数: 24

約数和(自身を含む): 185269392

約数和(自身を除く): 104398052

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 367597, 735194, 1470388, 1837985, 3675970, 4043567, 7351940, 8087134, 16174268, 20217835, 40435670, 80871340]

約数ペア:

[(1, 80871340), (2, 40435670), (4, 20217835), (5, 16174268), (10, 8087134), (11, 7351940), (20, 4043567), (22, 3675970), (44, 1837985), (55, 1470388), (110, 735194), (220, 367597)]