40715440

素因数分解:

$2^4\times 5^1\times {\mathrm{508943}}^1$

素因数の和:508956

約数の個数: 20

約数和(自身を含む): 94663584

約数和(自身を除く): 53948144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 508943, 1017886, 2035772, 2544715, 4071544, 5089430, 8143088, 10178860, 20357720, 40715440]

約数ペア:

[(1, 40715440), (2, 20357720), (4, 10178860), (5, 8143088), (8, 5089430), (10, 4071544), (16, 2544715), (20, 2035772), (40, 1017886), (80, 508943)]