11391280

素因数分解:

$2^4\times 5^1\times {\mathrm{142391}}^1$

素因数の和:142404

約数の個数: 20

約数和(自身を含む): 26484912

約数和(自身を除く): 15093632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 142391, 284782, 569564, 711955, 1139128, 1423910, 2278256, 2847820, 5695640, 11391280]

約数ペア:

[(1, 11391280), (2, 5695640), (4, 2847820), (5, 2278256), (8, 1423910), (10, 1139128), (16, 711955), (20, 569564), (40, 284782), (80, 142391)]