994640

素因数分解:

$2^4\times 5^1\times {\mathrm{12433}}^1$

素因数の和:12446

約数の個数: 20

約数和(自身を含む): 2312724

約数和(自身を除く): 1318084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 12433, 24866, 49732, 62165, 99464, 124330, 198928, 248660, 497320, 994640]

約数ペア:

[(1, 994640), (2, 497320), (4, 248660), (5, 198928), (8, 124330), (10, 99464), (16, 62165), (20, 49732), (40, 24866), (80, 12433)]