39654181280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{72109}}^1$

素因数の和:72622

約数の個数: 96

約数和(自身を含む): 107285834880

約数和(自身を除く): 67631653600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 491, 560, 982, 1120, 1964, 2455, 3437, 3928, 4910, 6874, 7856, 9820, 13748, 15712, 17185, 19640, 27496, 34370, 39280, 54992, 68740, 72109, 78560, 109984, 137480, 144218, 274960, 288436, 360545, 504763, 549920, 576872, 721090, 1009526, 1153744, 1442180, 2019052, 2307488, 2523815, 2884360, 4038104, 5047630, 5768720, 8076208, 10095260, 11537440, 16152416, 20190520, 35405519, 40381040, 70811038, 80762080, 141622076, 177027595, 247838633, 283244152, 354055190, 495677266, 566488304, 708110380, 991354532, 1132976608, 1239193165, 1416220760, 1982709064, 2478386330, 2832441520, 3965418128, 4956772660, 5664883040, 7930836256, 9913545320, 19827090640, 39654181280]

約数ペア:

[(1, 39654181280), (2, 19827090640), (4, 9913545320), (5, 7930836256), (7, 5664883040), (8, 4956772660), (10, 3965418128), (14, 2832441520), (16, 2478386330), (20, 1982709064), (28, 1416220760), (32, 1239193165), (35, 1132976608), (40, 991354532), (56, 708110380), (70, 566488304), (80, 495677266), (112, 354055190), (140, 283244152), (160, 247838633), (224, 177027595), (280, 141622076), (491, 80762080), (560, 70811038), (982, 40381040), (1120, 35405519), (1964, 20190520), (2455, 16152416), (3437, 11537440), (3928, 10095260), (4910, 8076208), (6874, 5768720), (7856, 5047630), (9820, 4038104), (13748, 2884360), (15712, 2523815), (17185, 2307488), (19640, 2019052), (27496, 1442180), (34370, 1153744), (39280, 1009526), (54992, 721090), (68740, 576872), (72109, 549920), (78560, 504763), (109984, 360545), (137480, 288436), (144218, 274960)]