15120880

素因数分解:

$2^4\times 5^1\times {\mathrm{189011}}^1$

素因数の和:189024

約数の個数: 20

約数和(自身を含む): 35156232

約数和(自身を除く): 20035352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 189011, 378022, 756044, 945055, 1512088, 1890110, 3024176, 3780220, 7560440, 15120880]

約数ペア:

[(1, 15120880), (2, 7560440), (4, 3780220), (5, 3024176), (8, 1890110), (10, 1512088), (16, 945055), (20, 756044), (40, 378022), (80, 189011)]