28276120

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{2273}}^1$

素因数の和:2595

約数の個数: 32

約数和(自身を含む): 63853920

約数和(自身を除く): 35577800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2273, 2488, 3110, 4546, 6220, 9092, 11365, 12440, 18184, 22730, 45460, 90920, 706903, 1413806, 2827612, 3534515, 5655224, 7069030, 14138060, 28276120]

約数ペア:

[(1, 28276120), (2, 14138060), (4, 7069030), (5, 5655224), (8, 3534515), (10, 2827612), (20, 1413806), (40, 706903), (311, 90920), (622, 45460), (1244, 22730), (1555, 18184), (2273, 12440), (2488, 11365), (3110, 9092), (4546, 6220)]