40987496

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{1999}}^1$

素因数の和:2249

約数の個数: 32

約数和(自身を含む): 84240000

約数和(自身を除く): 43252504

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 233, 466, 932, 1864, 1999, 2563, 3998, 5126, 7996, 10252, 15992, 20504, 21989, 43978, 87956, 175912, 465767, 931534, 1863068, 3726136, 5123437, 10246874, 20493748, 40987496]

約数ペア:

[(1, 40987496), (2, 20493748), (4, 10246874), (8, 5123437), (11, 3726136), (22, 1863068), (44, 931534), (88, 465767), (233, 175912), (466, 87956), (932, 43978), (1864, 21989), (1999, 20504), (2563, 15992), (3998, 10252), (5126, 7996)]