40390144

素因数分解:

$2^9\times {\mathrm{78887}}^1$

素因数の和:78905

約数の個数: 20

約数和(自身を含む): 80702424

約数和(自身を除く): 40312280

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 78887, 157774, 315548, 631096, 1262192, 2524384, 5048768, 10097536, 20195072, 40390144]

約数ペア:

[(1, 40390144), (2, 20195072), (4, 10097536), (8, 5048768), (16, 2524384), (32, 1262192), (64, 631096), (128, 315548), (256, 157774), (512, 78887)]