27228920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16603}}^1$

素因数の和:16655

約数の個数: 32

約数和(自身を含む): 62763120

約数和(自身を除く): 35534200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 16603, 33206, 66412, 83015, 132824, 166030, 332060, 664120, 680723, 1361446, 2722892, 3403615, 5445784, 6807230, 13614460, 27228920]

約数ペア:

[(1, 27228920), (2, 13614460), (4, 6807230), (5, 5445784), (8, 3403615), (10, 2722892), (20, 1361446), (40, 680723), (41, 664120), (82, 332060), (164, 166030), (205, 132824), (328, 83015), (410, 66412), (820, 33206), (1640, 16603)]