25451816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 54190080

約数和(自身を除く): 28738264

約数列:

[1, 2, 4, 8, 13, 26, 41, 47, 52, 82, 94, 104, 127, 164, 188, 254, 328, 376, 508, 533, 611, 1016, 1066, 1222, 1651, 1927, 2132, 2444, 3302, 3854, 4264, 4888, 5207, 5969, 6604, 7708, 10414, 11938, 13208, 15416, 20828, 23876, 25051, 41656, 47752, 50102, 67691, 77597, 100204, 135382, 155194, 200408, 244729, 270764, 310388, 489458, 541528, 620776, 978916, 1957832, 3181477, 6362954, 12725908, 25451816]

約数ペア:

[(1, 25451816), (2, 12725908), (4, 6362954), (8, 3181477), (13, 1957832), (26, 978916), (41, 620776), (47, 541528), (52, 489458), (82, 310388), (94, 270764), (104, 244729), (127, 200408), (164, 155194), (188, 135382), (254, 100204), (328, 77597), (376, 67691), (508, 50102), (533, 47752), (611, 41656), (1016, 25051), (1066, 23876), (1222, 20828), (1651, 15416), (1927, 13208), (2132, 11938), (2444, 10414), (3302, 7708), (3854, 6604), (4264, 5969), (4888, 5207)]