12909080

素因数分解:

$2^3\times 5^1\times {\mathrm{322727}}^1$

素因数の和:322738

約数の個数: 16

約数和(自身を含む): 29045520

約数和(自身を除く): 16136440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 322727, 645454, 1290908, 1613635, 2581816, 3227270, 6454540, 12909080]

約数ペア:

[(1, 12909080), (2, 6454540), (4, 3227270), (5, 2581816), (8, 1613635), (10, 1290908), (20, 645454), (40, 322727)]