40665392

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{35797}}^1$

素因数の和:35876

約数の個数: 20

約数和(自身を含む): 79901136

約数和(自身を除く): 39235744

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 35797, 71594, 143188, 286376, 572752, 2541587, 5083174, 10166348, 20332696, 40665392]

約数ペア:

[(1, 40665392), (2, 20332696), (4, 10166348), (8, 5083174), (16, 2541587), (71, 572752), (142, 286376), (284, 143188), (568, 71594), (1136, 35797)]