208018040

素因数分解:

$2^3\times 5^1\times {\mathrm{5200451}}^1$

素因数の和:5200462

約数の個数: 16

約数和(自身を含む): 468040680

約数和(自身を除く): 260022640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5200451, 10400902, 20801804, 26002255, 41603608, 52004510, 104009020, 208018040]

約数ペア:

[(1, 208018040), (2, 104009020), (4, 52004510), (5, 41603608), (8, 26002255), (10, 20801804), (20, 10400902), (40, 5200451)]