3111280

素因数分解:

$2^4\times 5^1\times {\mathrm{38891}}^1$

素因数の和:38904

約数の個数: 20

約数和(自身を含む): 7233912

約数和(自身を除く): 4122632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 38891, 77782, 155564, 194455, 311128, 388910, 622256, 777820, 1555640, 3111280]

約数ペア:

[(1, 3111280), (2, 1555640), (4, 777820), (5, 622256), (8, 388910), (10, 311128), (16, 194455), (20, 155564), (40, 77782), (80, 38891)]