809346640

素因数分解:

$2^4\times 5^1\times {\mathrm{10116833}}^1$

素因数の和:10116846

約数の個数: 20

約数和(自身を含む): 1881731124

約数和(自身を除く): 1072384484

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10116833, 20233666, 40467332, 50584165, 80934664, 101168330, 161869328, 202336660, 404673320, 809346640]

約数ペア:

[(1, 809346640), (2, 404673320), (4, 202336660), (5, 161869328), (8, 101168330), (10, 80934664), (16, 50584165), (20, 40467332), (40, 20233666), (80, 10116833)]