80812960

素因数分解:

$2^5\times 5^1\times {\mathrm{193}}^1\times {\mathrm{2617}}^1$

素因数の和:2825

約数の個数: 48

約数和(自身を含む): 191983176

約数和(自身を除く): 111170216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 193, 386, 772, 965, 1544, 1930, 2617, 3088, 3860, 5234, 6176, 7720, 10468, 13085, 15440, 20936, 26170, 30880, 41872, 52340, 83744, 104680, 209360, 418720, 505081, 1010162, 2020324, 2525405, 4040648, 5050810, 8081296, 10101620, 16162592, 20203240, 40406480, 80812960]

約数ペア:

[(1, 80812960), (2, 40406480), (4, 20203240), (5, 16162592), (8, 10101620), (10, 8081296), (16, 5050810), (20, 4040648), (32, 2525405), (40, 2020324), (80, 1010162), (160, 505081), (193, 418720), (386, 209360), (772, 104680), (965, 83744), (1544, 52340), (1930, 41872), (2617, 30880), (3088, 26170), (3860, 20936), (5234, 15440), (6176, 13085), (7720, 10468)]