2019635960

素因数分解:

$2^3\times 5^1\times {\mathrm{2137}}^1\times {\mathrm{23627}}^1$

素因数の和:25775

約数の個数: 32

約数和(自身を含む): 4546499760

約数和(自身を除く): 2526863800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2137, 4274, 8548, 10685, 17096, 21370, 23627, 42740, 47254, 85480, 94508, 118135, 189016, 236270, 472540, 945080, 50490899, 100981798, 201963596, 252454495, 403927192, 504908990, 1009817980, 2019635960]

約数ペア:

[(1, 2019635960), (2, 1009817980), (4, 504908990), (5, 403927192), (8, 252454495), (10, 201963596), (20, 100981798), (40, 50490899), (2137, 945080), (4274, 472540), (8548, 236270), (10685, 189016), (17096, 118135), (21370, 94508), (23627, 85480), (42740, 47254)]