13680560

素因数分解:

$2^4\times 5^1\times {\mathrm{171007}}^1$

素因数の和:171020

約数の個数: 20

約数和(自身を含む): 31807488

約数和(自身を除く): 18126928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 171007, 342014, 684028, 855035, 1368056, 1710070, 2736112, 3420140, 6840280, 13680560]

約数ペア:

[(1, 13680560), (2, 6840280), (4, 3420140), (5, 2736112), (8, 1710070), (10, 1368056), (16, 855035), (20, 684028), (40, 342014), (80, 171007)]