13980260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{99859}}^1$

素因数の和:99875

約数の個数: 24

約数和(自身を含む): 33552960

約数和(自身を除く): 19572700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 99859, 199718, 399436, 499295, 699013, 998590, 1398026, 1997180, 2796052, 3495065, 6990130, 13980260]

約数ペア:

[(1, 13980260), (2, 6990130), (4, 3495065), (5, 2796052), (7, 1997180), (10, 1398026), (14, 998590), (20, 699013), (28, 499295), (35, 399436), (70, 199718), (140, 99859)]