40235824

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{23071}}^1$

素因数の和:23188

約数の個数: 20

約数和(自身を含む): 78675520

約数和(自身を除く): 38439696

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 23071, 46142, 92284, 184568, 369136, 2514739, 5029478, 10058956, 20117912, 40235824]

約数ペア:

[(1, 40235824), (2, 20117912), (4, 10058956), (8, 5029478), (16, 2514739), (109, 369136), (218, 184568), (436, 92284), (872, 46142), (1744, 23071)]