80982800

素因数分解:

$2^4\times 5^2\times {\mathrm{193}}^1\times {\mathrm{1049}}^1$

素因数の和:1260

約数の個数: 60

約数和(自身を含む): 195755700

約数和(自身を除く): 114772900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 193, 200, 386, 400, 772, 965, 1049, 1544, 1930, 2098, 3088, 3860, 4196, 4825, 5245, 7720, 8392, 9650, 10490, 15440, 16784, 19300, 20980, 26225, 38600, 41960, 52450, 77200, 83920, 104900, 202457, 209800, 404914, 419600, 809828, 1012285, 1619656, 2024570, 3239312, 4049140, 5061425, 8098280, 10122850, 16196560, 20245700, 40491400, 80982800]

約数ペア:

[(1, 80982800), (2, 40491400), (4, 20245700), (5, 16196560), (8, 10122850), (10, 8098280), (16, 5061425), (20, 4049140), (25, 3239312), (40, 2024570), (50, 1619656), (80, 1012285), (100, 809828), (193, 419600), (200, 404914), (386, 209800), (400, 202457), (772, 104900), (965, 83920), (1049, 77200), (1544, 52450), (1930, 41960), (2098, 38600), (3088, 26225), (3860, 20980), (4196, 19300), (4825, 16784), (5245, 15440), (7720, 10490), (8392, 9650)]