13703920

素因数分解:

$2^4\times 5^1\times {\mathrm{171299}}^1$

素因数の和:171312

約数の個数: 20

約数和(自身を含む): 31861800

約数和(自身を除く): 18157880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 171299, 342598, 685196, 856495, 1370392, 1712990, 2740784, 3425980, 6851960, 13703920]

約数ペア:

[(1, 13703920), (2, 6851960), (4, 3425980), (5, 2740784), (8, 1712990), (10, 1370392), (16, 856495), (20, 685196), (40, 342598), (80, 171299)]