40551440

素因数分解:

$2^4\times 5^1\times {\mathrm{506893}}^1$

素因数の和:506906

約数の個数: 20

約数和(自身を含む): 94282284

約数和(自身を除く): 53730844

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 506893, 1013786, 2027572, 2534465, 4055144, 5068930, 8110288, 10137860, 20275720, 40551440]

約数ペア:

[(1, 40551440), (2, 20275720), (4, 10137860), (5, 8110288), (8, 5068930), (10, 4055144), (16, 2534465), (20, 2027572), (40, 1013786), (80, 506893)]