40344560

素因数分解:

$2^4\times 5^1\times {\mathrm{504307}}^1$

素因数の和:504320

約数の個数: 20

約数和(自身を含む): 93801288

約数和(自身を除く): 53456728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 504307, 1008614, 2017228, 2521535, 4034456, 5043070, 8068912, 10086140, 20172280, 40344560]

約数ペア:

[(1, 40344560), (2, 20172280), (4, 10086140), (5, 8068912), (8, 5043070), (10, 4034456), (16, 2521535), (20, 2017228), (40, 1008614), (80, 504307)]