26847280

素因数分解:

$2^4\times 5^1\times {\mathrm{335591}}^1$

素因数の和:335604

約数の個数: 20

約数和(自身を含む): 62420112

約数和(自身を除く): 35572832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 335591, 671182, 1342364, 1677955, 2684728, 3355910, 5369456, 6711820, 13423640, 26847280]

約数ペア:

[(1, 26847280), (2, 13423640), (4, 6711820), (5, 5369456), (8, 3355910), (10, 2684728), (16, 1677955), (20, 1342364), (40, 671182), (80, 335591)]