25756528

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:206

約数の個数: 80

約数和(自身を含む): 59996160

約数和(自身を除く): 34239632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 71, 79, 82, 112, 142, 158, 164, 284, 287, 316, 328, 497, 553, 568, 574, 632, 656, 994, 1106, 1136, 1148, 1264, 1988, 2212, 2296, 2911, 3239, 3976, 4424, 4592, 5609, 5822, 6478, 7952, 8848, 11218, 11644, 12956, 20377, 22436, 22673, 23288, 25912, 39263, 40754, 44872, 45346, 46576, 51824, 78526, 81508, 89744, 90692, 157052, 163016, 181384, 229969, 314104, 326032, 362768, 459938, 628208, 919876, 1609783, 1839752, 3219566, 3679504, 6439132, 12878264, 25756528]

約数ペア:

[(1, 25756528), (2, 12878264), (4, 6439132), (7, 3679504), (8, 3219566), (14, 1839752), (16, 1609783), (28, 919876), (41, 628208), (56, 459938), (71, 362768), (79, 326032), (82, 314104), (112, 229969), (142, 181384), (158, 163016), (164, 157052), (284, 90692), (287, 89744), (316, 81508), (328, 78526), (497, 51824), (553, 46576), (568, 45346), (574, 44872), (632, 40754), (656, 39263), (994, 25912), (1106, 23288), (1136, 22673), (1148, 22436), (1264, 20377), (1988, 12956), (2212, 11644), (2296, 11218), (2911, 8848), (3239, 7952), (3976, 6478), (4424, 5822), (4592, 5609)]