82110080

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:242

約数の個数: 128

約数和(自身を含む): 215913600

約数和(自身を除く): 133803520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 71, 80, 104, 128, 130, 139, 142, 160, 208, 260, 278, 284, 320, 355, 416, 520, 556, 568, 640, 695, 710, 832, 923, 1040, 1112, 1136, 1390, 1420, 1664, 1807, 1846, 2080, 2224, 2272, 2780, 2840, 3614, 3692, 4160, 4448, 4544, 4615, 5560, 5680, 7228, 7384, 8320, 8896, 9035, 9088, 9230, 9869, 11120, 11360, 14456, 14768, 17792, 18070, 18460, 19738, 22240, 22720, 28912, 29536, 36140, 36920, 39476, 44480, 45440, 49345, 57824, 59072, 72280, 73840, 78952, 88960, 98690, 115648, 118144, 128297, 144560, 147680, 157904, 197380, 231296, 256594, 289120, 295360, 315808, 394760, 513188, 578240, 590720, 631616, 641485, 789520, 1026376, 1156480, 1263232, 1282970, 1579040, 2052752, 2565940, 3158080, 4105504, 5131880, 6316160, 8211008, 10263760, 16422016, 20527520, 41055040, 82110080]

約数ペア:

[(1, 82110080), (2, 41055040), (4, 20527520), (5, 16422016), (8, 10263760), (10, 8211008), (13, 6316160), (16, 5131880), (20, 4105504), (26, 3158080), (32, 2565940), (40, 2052752), (52, 1579040), (64, 1282970), (65, 1263232), (71, 1156480), (80, 1026376), (104, 789520), (128, 641485), (130, 631616), (139, 590720), (142, 578240), (160, 513188), (208, 394760), (260, 315808), (278, 295360), (284, 289120), (320, 256594), (355, 231296), (416, 197380), (520, 157904), (556, 147680), (568, 144560), (640, 128297), (695, 118144), (710, 115648), (832, 98690), (923, 88960), (1040, 78952), (1112, 73840), (1136, 72280), (1390, 59072), (1420, 57824), (1664, 49345), (1807, 45440), (1846, 44480), (2080, 39476), (2224, 36920), (2272, 36140), (2780, 29536), (2840, 28912), (3614, 22720), (3692, 22240), (4160, 19738), (4448, 18460), (4544, 18070), (4615, 17792), (5560, 14768), (5680, 14456), (7228, 11360), (7384, 11120), (8320, 9869), (8896, 9230), (9035, 9088)]