20162059640

素因数分解:

$2^3\times 5^1\times {\mathrm{2399}}^1\times {\mathrm{210109}}^1$

素因数の和:212519

約数の個数: 32

約数和(自身を含む): 45383760000

約数和(自身を除く): 25221700360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2399, 4798, 9596, 11995, 19192, 23990, 47980, 95960, 210109, 420218, 840436, 1050545, 1680872, 2101090, 4202180, 8404360, 504051491, 1008102982, 2016205964, 2520257455, 4032411928, 5040514910, 10081029820, 20162059640]

約数ペア:

[(1, 20162059640), (2, 10081029820), (4, 5040514910), (5, 4032411928), (8, 2520257455), (10, 2016205964), (20, 1008102982), (40, 504051491), (2399, 8404360), (4798, 4202180), (9596, 2101090), (11995, 1680872), (19192, 1050545), (23990, 840436), (47980, 420218), (95960, 210109)]