38980820

素因数分解:

$2^2\times 5^1\times {\mathrm{709}}^1\times {\mathrm{2749}}^1$

素因数の和:3467

約数の個数: 24

約数和(自身を含む): 82005000

約数和(自身を除く): 43024180

約数列:

[1, 2, 4, 5, 10, 20, 709, 1418, 2749, 2836, 3545, 5498, 7090, 10996, 13745, 14180, 27490, 54980, 1949041, 3898082, 7796164, 9745205, 19490410, 38980820]

約数ペア:

[(1, 38980820), (2, 19490410), (4, 9745205), (5, 7796164), (10, 3898082), (20, 1949041), (709, 54980), (1418, 27490), (2749, 14180), (2836, 13745), (3545, 10996), (5498, 7090)]