99906640

素因数分解:

$2^4\times 5^1\times {\mathrm{1248833}}^1$

素因数の和:1248846

約数の個数: 20

約数和(自身を含む): 232283124

約数和(自身を除く): 132376484

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1248833, 2497666, 4995332, 6244165, 9990664, 12488330, 19981328, 24976660, 49953320, 99906640]

約数ペア:

[(1, 99906640), (2, 49953320), (4, 24976660), (5, 19981328), (8, 12488330), (10, 9990664), (16, 6244165), (20, 4995332), (40, 2497666), (80, 1248833)]