11628880

素因数分解:

$2^4\times 5^1\times {\mathrm{145361}}^1$

素因数の和:145374

約数の個数: 20

約数和(自身を含む): 27037332

約数和(自身を除く): 15408452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 145361, 290722, 581444, 726805, 1162888, 1453610, 2325776, 2907220, 5814440, 11628880]

約数ペア:

[(1, 11628880), (2, 5814440), (4, 2907220), (5, 2325776), (8, 1453610), (10, 1162888), (16, 726805), (20, 581444), (40, 290722), (80, 145361)]