987951680

素因数分解:

$2^6\times 5^1\times {\mathrm{3087349}}^1$

素因数の和:3087366

約数の個数: 28

約数和(自身を含む): 2352560700

約数和(自身を除く): 1364609020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 3087349, 6174698, 12349396, 15436745, 24698792, 30873490, 49397584, 61746980, 98795168, 123493960, 197590336, 246987920, 493975840, 987951680]

約数ペア:

[(1, 987951680), (2, 493975840), (4, 246987920), (5, 197590336), (8, 123493960), (10, 98795168), (16, 61746980), (20, 49397584), (32, 30873490), (40, 24698792), (64, 15436745), (80, 12349396), (160, 6174698), (320, 3087349)]