3997660

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1459}}^1$

素因数の和:1605

約数の個数: 24

約数和(自身を含む): 8462160

約数和(自身を除く): 4464500

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 1459, 2740, 2918, 5836, 7295, 14590, 29180, 199883, 399766, 799532, 999415, 1998830, 3997660]

約数ペア:

[(1, 3997660), (2, 1998830), (4, 999415), (5, 799532), (10, 399766), (20, 199883), (137, 29180), (274, 14590), (548, 7295), (685, 5836), (1370, 2918), (1459, 2740)]