15686740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{11047}}^1$

素因数の和:11127

約数の個数: 24

約数和(自身を含む): 33409152

約数和(自身を除く): 17722412

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 11047, 22094, 44188, 55235, 110470, 220940, 784337, 1568674, 3137348, 3921685, 7843370, 15686740]

約数ペア:

[(1, 15686740), (2, 7843370), (4, 3921685), (5, 3137348), (10, 1568674), (20, 784337), (71, 220940), (142, 110470), (284, 55235), (355, 44188), (710, 22094), (1420, 11047)]