246987920

素因数分解:

$2^4\times 5^1\times {\mathrm{3087349}}^1$

素因数の和:3087362

約数の個数: 20

約数和(自身を含む): 574247100

約数和(自身を除く): 327259180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3087349, 6174698, 12349396, 15436745, 24698792, 30873490, 49397584, 61746980, 123493960, 246987920]

約数ペア:

[(1, 246987920), (2, 123493960), (4, 61746980), (5, 49397584), (8, 30873490), (10, 24698792), (16, 15436745), (20, 12349396), (40, 6174698), (80, 3087349)]