4066640

素因数分解:

$2^4\times 5^1\times {\mathrm{50833}}^1$

素因数の和:50846

約数の個数: 20

約数和(自身を含む): 9455124

約数和(自身を除く): 5388484

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 50833, 101666, 203332, 254165, 406664, 508330, 813328, 1016660, 2033320, 4066640]

約数ペア:

[(1, 4066640), (2, 2033320), (4, 1016660), (5, 813328), (8, 508330), (10, 406664), (16, 254165), (20, 203332), (40, 101666), (80, 50833)]