20806980400

素因数分解:

$2^4\times 5^2\times {\mathrm{52017451}}^1$

素因数の和:52017469

約数の個数: 30

約数和(自身を含む): 49988771372

約数和(自身を除く): 29181790972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 52017451, 104034902, 208069804, 260087255, 416139608, 520174510, 832279216, 1040349020, 1300436275, 2080698040, 2600872550, 4161396080, 5201745100, 10403490200, 20806980400]

約数ペア:

[(1, 20806980400), (2, 10403490200), (4, 5201745100), (5, 4161396080), (8, 2600872550), (10, 2080698040), (16, 1300436275), (20, 1040349020), (25, 832279216), (40, 520174510), (50, 416139608), (80, 260087255), (100, 208069804), (200, 104034902), (400, 52017451)]