51878120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4519}}^1$

素因数の和:4578

約数の個数: 64

約数和(自身を含む): 136684800

約数和(自身を除く): 84806680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2296, 2870, 4519, 5740, 9038, 11480, 18076, 22595, 31633, 36152, 45190, 63266, 90380, 126532, 158165, 180760, 185279, 253064, 316330, 370558, 632660, 741116, 926395, 1265320, 1296953, 1482232, 1852790, 2593906, 3705580, 5187812, 6484765, 7411160, 10375624, 12969530, 25939060, 51878120]

約数ペア:

[(1, 51878120), (2, 25939060), (4, 12969530), (5, 10375624), (7, 7411160), (8, 6484765), (10, 5187812), (14, 3705580), (20, 2593906), (28, 1852790), (35, 1482232), (40, 1296953), (41, 1265320), (56, 926395), (70, 741116), (82, 632660), (140, 370558), (164, 316330), (205, 253064), (280, 185279), (287, 180760), (328, 158165), (410, 126532), (574, 90380), (820, 63266), (1148, 45190), (1435, 36152), (1640, 31633), (2296, 22595), (2870, 18076), (4519, 11480), (5740, 9038)]