43138640

素因数分解:

$2^4\times 5^1\times {\mathrm{539233}}^1$

素因数の和:539246

約数の個数: 20

約数和(自身を含む): 100297524

約数和(自身を除く): 57158884

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 539233, 1078466, 2156932, 2696165, 4313864, 5392330, 8627728, 10784660, 21569320, 43138640]

約数ペア:

[(1, 43138640), (2, 21569320), (4, 10784660), (5, 8627728), (8, 5392330), (10, 4313864), (16, 2696165), (20, 2156932), (40, 1078466), (80, 539233)]