80020976

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:462

約数の個数: 80

約数和(自身を含む): 186416640

約数和(自身を除く): 106395664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 71, 112, 116, 142, 203, 232, 284, 347, 406, 464, 497, 568, 694, 812, 994, 1136, 1388, 1624, 1988, 2059, 2429, 2776, 3248, 3976, 4118, 4858, 5552, 7952, 8236, 9716, 10063, 14413, 16472, 19432, 20126, 24637, 28826, 32944, 38864, 40252, 49274, 57652, 70441, 80504, 98548, 115304, 140882, 161008, 172459, 197096, 230608, 281764, 344918, 394192, 563528, 689836, 714473, 1127056, 1379672, 1428946, 2759344, 2857892, 5001311, 5715784, 10002622, 11431568, 20005244, 40010488, 80020976]

約数ペア:

[(1, 80020976), (2, 40010488), (4, 20005244), (7, 11431568), (8, 10002622), (14, 5715784), (16, 5001311), (28, 2857892), (29, 2759344), (56, 1428946), (58, 1379672), (71, 1127056), (112, 714473), (116, 689836), (142, 563528), (203, 394192), (232, 344918), (284, 281764), (347, 230608), (406, 197096), (464, 172459), (497, 161008), (568, 140882), (694, 115304), (812, 98548), (994, 80504), (1136, 70441), (1388, 57652), (1624, 49274), (1988, 40252), (2059, 38864), (2429, 32944), (2776, 28826), (3248, 24637), (3976, 20126), (4118, 19432), (4858, 16472), (5552, 14413), (7952, 10063), (8236, 9716)]