84437720

素因数分解:

$2^3\times 5^1\times {\mathrm{919}}^1\times {\mathrm{2297}}^1$

素因数の和:3227

約数の個数: 32

約数和(自身を含む): 190274400

約数和(自身を除く): 105836680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 919, 1838, 2297, 3676, 4594, 4595, 7352, 9188, 9190, 11485, 18376, 18380, 22970, 36760, 45940, 91880, 2110943, 4221886, 8443772, 10554715, 16887544, 21109430, 42218860, 84437720]

約数ペア:

[(1, 84437720), (2, 42218860), (4, 21109430), (5, 16887544), (8, 10554715), (10, 8443772), (20, 4221886), (40, 2110943), (919, 91880), (1838, 45940), (2297, 36760), (3676, 22970), (4594, 18380), (4595, 18376), (7352, 11485), (9188, 9190)]