1711280

素因数分解:

$2^4\times 5^1\times {\mathrm{21391}}^1$

素因数の和:21404

約数の個数: 20

約数和(自身を含む): 3978912

約数和(自身を除く): 2267632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 21391, 42782, 85564, 106955, 171128, 213910, 342256, 427820, 855640, 1711280]

約数ペア:

[(1, 1711280), (2, 855640), (4, 427820), (5, 342256), (8, 213910), (10, 171128), (16, 106955), (20, 85564), (40, 42782), (80, 21391)]