85439600

素因数分解:

$2^4\times 5^2\times {\mathrm{213599}}^1$

素因数の和:213617

約数の個数: 30

約数和(自身を含む): 205269600

約数和(自身を除く): 119830000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 213599, 427198, 854396, 1067995, 1708792, 2135990, 3417584, 4271980, 5339975, 8543960, 10679950, 17087920, 21359900, 42719800, 85439600]

約数ペア:

[(1, 85439600), (2, 42719800), (4, 21359900), (5, 17087920), (8, 10679950), (10, 8543960), (16, 5339975), (20, 4271980), (25, 3417584), (40, 2135990), (50, 1708792), (80, 1067995), (100, 854396), (200, 427198), (400, 213599)]