208076360

素因数分解:

$2^3\times 5^1\times {\mathrm{5201909}}^1$

素因数の和:5201920

約数の個数: 16

約数和(自身を含む): 468171900

約数和(自身を除く): 260095540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5201909, 10403818, 20807636, 26009545, 41615272, 52019090, 104038180, 208076360]

約数ペア:

[(1, 208076360), (2, 104038180), (4, 52019090), (5, 41615272), (8, 26009545), (10, 20807636), (20, 10403818), (40, 5201909)]