15172880

素因数分解:

$2^4\times 5^1\times {\mathrm{189661}}^1$

素因数の和:189674

約数の個数: 20

約数和(自身を含む): 35277132

約数和(自身を除く): 20104252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 189661, 379322, 758644, 948305, 1517288, 1896610, 3034576, 3793220, 7586440, 15172880]

約数ペア:

[(1, 15172880), (2, 7586440), (4, 3793220), (5, 3034576), (8, 1896610), (10, 1517288), (16, 948305), (20, 758644), (40, 379322), (80, 189661)]