40006640

素因数分解:

$2^4\times 5^1\times {\mathrm{500083}}^1$

素因数の和:500096

約数の個数: 20

約数和(自身を含む): 93015624

約数和(自身を除く): 53008984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 500083, 1000166, 2000332, 2500415, 4000664, 5000830, 8001328, 10001660, 20003320, 40006640]

約数ペア:

[(1, 40006640), (2, 20003320), (4, 10001660), (5, 8001328), (8, 5000830), (10, 4000664), (16, 2500415), (20, 2000332), (40, 1000166), (80, 500083)]