12442187920

素因数分解:

$2^4\times 5^1\times {\mathrm{155527349}}^1$

素因数の和:155527362

約数の個数: 20

約数和(自身を含む): 28928087100

約数和(自身を除く): 16485899180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 155527349, 311054698, 622109396, 777636745, 1244218792, 1555273490, 2488437584, 3110546980, 6221093960, 12442187920]

約数ペア:

[(1, 12442187920), (2, 6221093960), (4, 3110546980), (5, 2488437584), (8, 1555273490), (10, 1244218792), (16, 777636745), (20, 622109396), (40, 311054698), (80, 155527349)]