25611880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:179

約数の個数: 128

約数和(自身を含む): 71124480

約数和(自身を除く): 45512600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 41, 46, 56, 70, 82, 92, 97, 115, 140, 161, 164, 184, 194, 205, 230, 280, 287, 322, 328, 388, 410, 460, 485, 574, 644, 679, 776, 805, 820, 920, 943, 970, 1148, 1288, 1358, 1435, 1610, 1640, 1886, 1940, 2231, 2296, 2716, 2870, 3220, 3395, 3772, 3880, 3977, 4462, 4715, 5432, 5740, 6440, 6601, 6790, 7544, 7954, 8924, 9430, 11155, 11480, 13202, 13580, 15617, 15908, 17848, 18860, 19885, 22310, 26404, 27160, 27839, 31234, 31816, 33005, 37720, 39770, 44620, 52808, 55678, 62468, 66010, 78085, 79540, 89240, 91471, 111356, 124936, 132020, 139195, 156170, 159080, 182942, 222712, 264040, 278390, 312340, 365884, 457355, 556780, 624680, 640297, 731768, 914710, 1113560, 1280594, 1829420, 2561188, 3201485, 3658840, 5122376, 6402970, 12805940, 25611880]

約数ペア:

[(1, 25611880), (2, 12805940), (4, 6402970), (5, 5122376), (7, 3658840), (8, 3201485), (10, 2561188), (14, 1829420), (20, 1280594), (23, 1113560), (28, 914710), (35, 731768), (40, 640297), (41, 624680), (46, 556780), (56, 457355), (70, 365884), (82, 312340), (92, 278390), (97, 264040), (115, 222712), (140, 182942), (161, 159080), (164, 156170), (184, 139195), (194, 132020), (205, 124936), (230, 111356), (280, 91471), (287, 89240), (322, 79540), (328, 78085), (388, 66010), (410, 62468), (460, 55678), (485, 52808), (574, 44620), (644, 39770), (679, 37720), (776, 33005), (805, 31816), (820, 31234), (920, 27839), (943, 27160), (970, 26404), (1148, 22310), (1288, 19885), (1358, 18860), (1435, 17848), (1610, 15908), (1640, 15617), (1886, 13580), (1940, 13202), (2231, 11480), (2296, 11155), (2716, 9430), (2870, 8924), (3220, 7954), (3395, 7544), (3772, 6790), (3880, 6601), (3977, 6440), (4462, 5740), (4715, 5432)]