3878060

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1999}}^1$

素因数の和:2105

約数の個数: 24

約数和(自身を含む): 8232000

約数和(自身を除く): 4353940

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 1999, 3998, 7996, 9995, 19990, 39980, 193903, 387806, 775612, 969515, 1939030, 3878060]

約数ペア:

[(1, 3878060), (2, 1939030), (4, 969515), (5, 775612), (10, 387806), (20, 193903), (97, 39980), (194, 19990), (388, 9995), (485, 7996), (970, 3998), (1940, 1999)]