22180520

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1783}}^1$

素因数の和:2105

約数の個数: 32

約数和(自身を含む): 50094720

約数和(自身を除く): 27914200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 1783, 2488, 3110, 3566, 6220, 7132, 8915, 12440, 14264, 17830, 35660, 71320, 554513, 1109026, 2218052, 2772565, 4436104, 5545130, 11090260, 22180520]

約数ペア:

[(1, 22180520), (2, 11090260), (4, 5545130), (5, 4436104), (8, 2772565), (10, 2218052), (20, 1109026), (40, 554513), (311, 71320), (622, 35660), (1244, 17830), (1555, 14264), (1783, 12440), (2488, 8915), (3110, 7132), (3566, 6220)]