168546640

素因数分解:

$2^4\times 5^1\times {\mathrm{2106833}}^1$

素因数の和:2106846

約数の個数: 20

約数和(自身を含む): 391871124

約数和(自身を除く): 223324484

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2106833, 4213666, 8427332, 10534165, 16854664, 21068330, 33709328, 42136660, 84273320, 168546640]

約数ペア:

[(1, 168546640), (2, 84273320), (4, 42136660), (5, 33709328), (8, 21068330), (10, 16854664), (16, 10534165), (20, 8427332), (40, 4213666), (80, 2106833)]