81105950

素因数分解:

$2^1\times 5^2\times {\mathrm{997}}^1\times {\mathrm{1627}}^1$

素因数の和:2636

約数の個数: 24

約数和(自身を含む): 151101192

約数和(自身を除く): 69995242

約数列:

[1, 2, 5, 10, 25, 50, 997, 1627, 1994, 3254, 4985, 8135, 9970, 16270, 24925, 40675, 49850, 81350, 1622119, 3244238, 8110595, 16221190, 40552975, 81105950]

約数ペア:

[(1, 81105950), (2, 40552975), (5, 16221190), (10, 8110595), (25, 3244238), (50, 1622119), (997, 81350), (1627, 49850), (1994, 40675), (3254, 24925), (4985, 16270), (8135, 9970)]