12944560

素因数分解:

$2^4\times 5^1\times {\mathrm{161807}}^1$

素因数の和:161820

約数の個数: 20

約数和(自身を含む): 30096288

約数和(自身を除く): 17151728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 161807, 323614, 647228, 809035, 1294456, 1618070, 2588912, 3236140, 6472280, 12944560]

約数ペア:

[(1, 12944560), (2, 6472280), (4, 3236140), (5, 2588912), (8, 1618070), (10, 1294456), (16, 809035), (20, 647228), (40, 323614), (80, 161807)]