27405320

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{2203}}^1$

素因数の和:2525

約数の個数: 32

約数和(自身を含む): 61888320

約数和(自身を除く): 34483000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2203, 2488, 3110, 4406, 6220, 8812, 11015, 12440, 17624, 22030, 44060, 88120, 685133, 1370266, 2740532, 3425665, 5481064, 6851330, 13702660, 27405320]

約数ペア:

[(1, 27405320), (2, 13702660), (4, 6851330), (5, 5481064), (8, 3425665), (10, 2740532), (20, 1370266), (40, 685133), (311, 88120), (622, 44060), (1244, 22030), (1555, 17624), (2203, 12440), (2488, 11015), (3110, 8812), (4406, 6220)]