80319176

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20201}}^1$

素因数の和:20285

約数の個数: 32

約数和(自身を含む): 174545280

約数和(自身を除く): 94226104

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 20201, 40402, 80804, 141407, 161608, 282814, 565628, 1131256, 1434271, 2868542, 5737084, 10039897, 11474168, 20079794, 40159588, 80319176]

約数ペア:

[(1, 80319176), (2, 40159588), (4, 20079794), (7, 11474168), (8, 10039897), (14, 5737084), (28, 2868542), (56, 1434271), (71, 1131256), (142, 565628), (284, 282814), (497, 161608), (568, 141407), (994, 80804), (1988, 40402), (3976, 20201)]