25511920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{45557}}^1$

素因数の和:45577

約数の個数: 40

約数和(自身を含む): 67790304

約数和(自身を除く): 42278384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 45557, 91114, 182228, 227785, 318899, 364456, 455570, 637798, 728912, 911140, 1275596, 1594495, 1822280, 2551192, 3188990, 3644560, 5102384, 6377980, 12755960, 25511920]

約数ペア:

[(1, 25511920), (2, 12755960), (4, 6377980), (5, 5102384), (7, 3644560), (8, 3188990), (10, 2551192), (14, 1822280), (16, 1594495), (20, 1275596), (28, 911140), (35, 728912), (40, 637798), (56, 455570), (70, 364456), (80, 318899), (112, 227785), (140, 182228), (280, 91114), (560, 45557)]