25290440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2203}}^1$

素因数の和:2262

約数の個数: 64

約数和(自身を含む): 66648960

約数和(自身を除く): 41358520

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, 2203, 2296, 2870, 4406, 5740, 8812, 11015, 11480, 15421, 17624, 22030, 30842, 44060, 61684, 77105, 88120, 90323, 123368, 154210, 180646, 308420, 361292, 451615, 616840, 632261, 722584, 903230, 1264522, 1806460, 2529044, 3161305, 3612920, 5058088, 6322610, 12645220, 25290440]

約数ペア:

[(1, 25290440), (2, 12645220), (4, 6322610), (5, 5058088), (7, 3612920), (8, 3161305), (10, 2529044), (14, 1806460), (20, 1264522), (28, 903230), (35, 722584), (40, 632261), (41, 616840), (56, 451615), (70, 361292), (82, 308420), (140, 180646), (164, 154210), (205, 123368), (280, 90323), (287, 88120), (328, 77105), (410, 61684), (574, 44060), (820, 30842), (1148, 22030), (1435, 17624), (1640, 15421), (2203, 11480), (2296, 11015), (2870, 8812), (4406, 5740)]