2648538040

素因数分解:

$2^3\times 5^1\times {\mathrm{66213451}}^1$

素因数の和:66213462

約数の個数: 16

約数和(自身を含む): 5959210680

約数和(自身を除く): 3310672640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 66213451, 132426902, 264853804, 331067255, 529707608, 662134510, 1324269020, 2648538040]

約数ペア:

[(1, 2648538040), (2, 1324269020), (4, 662134510), (5, 529707608), (8, 331067255), (10, 264853804), (20, 132426902), (40, 66213451)]