25626740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18047}}^1$

素因数の和:18127

約数の個数: 24

約数和(自身を含む): 54577152

約数和(自身を除く): 28950412

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 18047, 36094, 72188, 90235, 180470, 360940, 1281337, 2562674, 5125348, 6406685, 12813370, 25626740]

約数ペア:

[(1, 25626740), (2, 12813370), (4, 6406685), (5, 5125348), (10, 2562674), (20, 1281337), (71, 360940), (142, 180470), (284, 90235), (355, 72188), (710, 36094), (1420, 18047)]