80521727236

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{23167}}^1$

素因数の和:23321

約数の個数: 72

約数和(自身を含む): 155708421120

約数和(自身を除く): 75186693884

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 83, 116, 166, 332, 361, 551, 722, 1102, 1444, 1577, 2204, 2407, 3154, 4814, 6308, 9628, 10469, 20938, 23167, 29963, 41876, 45733, 46334, 59926, 91466, 92668, 119852, 182932, 440173, 671843, 868927, 880346, 1343686, 1737854, 1760692, 1922861, 2687372, 3475708, 3845722, 7691444, 8363287, 12765017, 16726574, 25530034, 33453148, 36534359, 51060068, 55762969, 73068718, 111525938, 146137436, 223051876, 242535323, 485070646, 694152821, 970141292, 1059496411, 1388305642, 2118992822, 2776611284, 4237985644, 20130431809, 40260863618, 80521727236]

約数ペア:

[(1, 80521727236), (2, 40260863618), (4, 20130431809), (19, 4237985644), (29, 2776611284), (38, 2118992822), (58, 1388305642), (76, 1059496411), (83, 970141292), (116, 694152821), (166, 485070646), (332, 242535323), (361, 223051876), (551, 146137436), (722, 111525938), (1102, 73068718), (1444, 55762969), (1577, 51060068), (2204, 36534359), (2407, 33453148), (3154, 25530034), (4814, 16726574), (6308, 12765017), (9628, 8363287), (10469, 7691444), (20938, 3845722), (23167, 3475708), (29963, 2687372), (41876, 1922861), (45733, 1760692), (46334, 1737854), (59926, 1343686), (91466, 880346), (92668, 868927), (119852, 671843), (182932, 440173)]