80621744

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:334

約数の個数: 80

約数和(自身を含む): 185779776

約数和(自身を除く): 105158032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 97, 112, 164, 181, 194, 287, 328, 362, 388, 574, 656, 679, 724, 776, 1148, 1267, 1358, 1448, 1552, 2296, 2534, 2716, 2896, 3977, 4592, 5068, 5432, 7421, 7954, 10136, 10864, 14842, 15908, 17557, 20272, 27839, 29684, 31816, 35114, 51947, 55678, 59368, 63632, 70228, 103894, 111356, 118736, 122899, 140456, 207788, 222712, 245798, 280912, 415576, 445424, 491596, 719837, 831152, 983192, 1439674, 1966384, 2879348, 5038859, 5758696, 10077718, 11517392, 20155436, 40310872, 80621744]

約数ペア:

[(1, 80621744), (2, 40310872), (4, 20155436), (7, 11517392), (8, 10077718), (14, 5758696), (16, 5038859), (28, 2879348), (41, 1966384), (56, 1439674), (82, 983192), (97, 831152), (112, 719837), (164, 491596), (181, 445424), (194, 415576), (287, 280912), (328, 245798), (362, 222712), (388, 207788), (574, 140456), (656, 122899), (679, 118736), (724, 111356), (776, 103894), (1148, 70228), (1267, 63632), (1358, 59368), (1448, 55678), (1552, 51947), (2296, 35114), (2534, 31816), (2716, 29684), (2896, 27839), (3977, 20272), (4592, 17557), (5068, 15908), (5432, 14842), (7421, 10864), (7954, 10136)]