1585520

素因数分解:

$2^4\times 5^1\times {\mathrm{19819}}^1$

素因数の和:19832

約数の個数: 20

約数和(自身を含む): 3686520

約数和(自身を除く): 2101000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 19819, 39638, 79276, 99095, 158552, 198190, 317104, 396380, 792760, 1585520]

約数ペア:

[(1, 1585520), (2, 792760), (4, 396380), (5, 317104), (8, 198190), (10, 158552), (16, 99095), (20, 79276), (40, 39638), (80, 19819)]