25720894976

素因数分解:

$2^9\times 7^7\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 160

約数和(自身を含む): 60939700800

約数和(自身を除く): 35218805824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 61, 64, 98, 112, 122, 128, 196, 224, 244, 256, 343, 392, 427, 448, 488, 512, 686, 784, 854, 896, 976, 1372, 1568, 1708, 1792, 1952, 2401, 2744, 2989, 3136, 3416, 3584, 3904, 4802, 5488, 5978, 6272, 6832, 7808, 9604, 10976, 11956, 12544, 13664, 15616, 16807, 19208, 20923, 21952, 23912, 25088, 27328, 31232, 33614, 38416, 41846, 43904, 47824, 54656, 67228, 76832, 83692, 87808, 95648, 109312, 117649, 134456, 146461, 153664, 167384, 175616, 191296, 218624, 235298, 268912, 292922, 307328, 334768, 382592, 470596, 537824, 585844, 614656, 669536, 765184, 823543, 941192, 1025227, 1075648, 1171688, 1229312, 1339072, 1530368, 1647086, 1882384, 2050454, 2151296, 2343376, 2678144, 3294172, 3764768, 4100908, 4302592, 4686752, 5356288, 6588344, 7176589, 7529536, 8201816, 8605184, 9373504, 10712576, 13176688, 14353178, 15059072, 16403632, 18747008, 26353376, 28706356, 30118144, 32807264, 37494016, 50236123, 52706752, 57412712, 60236288, 65614528, 74988032, 100472246, 105413504, 114825424, 131229056, 200944492, 210827008, 229650848, 262458112, 401888984, 421654016, 459301696, 524916224, 803777968, 918603392, 1607555936, 1837206784, 3215111872, 3674413568, 6430223744, 12860447488, 25720894976]

約数ペア:

[(1, 25720894976), (2, 12860447488), (4, 6430223744), (7, 3674413568), (8, 3215111872), (14, 1837206784), (16, 1607555936), (28, 918603392), (32, 803777968), (49, 524916224), (56, 459301696), (61, 421654016), (64, 401888984), (98, 262458112), (112, 229650848), (122, 210827008), (128, 200944492), (196, 131229056), (224, 114825424), (244, 105413504), (256, 100472246), (343, 74988032), (392, 65614528), (427, 60236288), (448, 57412712), (488, 52706752), (512, 50236123), (686, 37494016), (784, 32807264), (854, 30118144), (896, 28706356), (976, 26353376), (1372, 18747008), (1568, 16403632), (1708, 15059072), (1792, 14353178), (1952, 13176688), (2401, 10712576), (2744, 9373504), (2989, 8605184), (3136, 8201816), (3416, 7529536), (3584, 7176589), (3904, 6588344), (4802, 5356288), (5488, 4686752), (5978, 4302592), (6272, 4100908), (6832, 3764768), (7808, 3294172), (9604, 2678144), (10976, 2343376), (11956, 2151296), (12544, 2050454), (13664, 1882384), (15616, 1647086), (16807, 1530368), (19208, 1339072), (20923, 1229312), (21952, 1171688), (23912, 1075648), (25088, 1025227), (27328, 941192), (31232, 823543), (33614, 765184), (38416, 669536), (41846, 614656), (43904, 585844), (47824, 537824), (54656, 470596), (67228, 382592), (76832, 334768), (83692, 307328), (87808, 292922), (95648, 268912), (109312, 235298), (117649, 218624), (134456, 191296), (146461, 175616), (153664, 167384)]