25637248

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:136

約数の個数: 128

約数和(自身を含む): 65802240

約数和(自身を除く): 40164992

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 71, 91, 104, 112, 124, 128, 142, 182, 208, 217, 224, 248, 284, 364, 403, 416, 434, 448, 496, 497, 568, 728, 806, 832, 868, 896, 923, 992, 994, 1136, 1456, 1612, 1664, 1736, 1846, 1984, 1988, 2201, 2272, 2821, 2912, 3224, 3472, 3692, 3968, 3976, 4402, 4544, 5642, 5824, 6448, 6461, 6944, 7384, 7952, 8804, 9088, 11284, 11648, 12896, 12922, 13888, 14768, 15407, 15904, 17608, 22568, 25792, 25844, 27776, 28613, 29536, 30814, 31808, 35216, 45136, 51584, 51688, 57226, 59072, 61628, 63616, 70432, 90272, 103376, 114452, 118144, 123256, 140864, 180544, 200291, 206752, 228904, 246512, 281728, 361088, 400582, 413504, 457808, 493024, 801164, 827008, 915616, 986048, 1602328, 1831232, 1972096, 3204656, 3662464, 6409312, 12818624, 25637248]

約数ペア:

[(1, 25637248), (2, 12818624), (4, 6409312), (7, 3662464), (8, 3204656), (13, 1972096), (14, 1831232), (16, 1602328), (26, 986048), (28, 915616), (31, 827008), (32, 801164), (52, 493024), (56, 457808), (62, 413504), (64, 400582), (71, 361088), (91, 281728), (104, 246512), (112, 228904), (124, 206752), (128, 200291), (142, 180544), (182, 140864), (208, 123256), (217, 118144), (224, 114452), (248, 103376), (284, 90272), (364, 70432), (403, 63616), (416, 61628), (434, 59072), (448, 57226), (496, 51688), (497, 51584), (568, 45136), (728, 35216), (806, 31808), (832, 30814), (868, 29536), (896, 28613), (923, 27776), (992, 25844), (994, 25792), (1136, 22568), (1456, 17608), (1612, 15904), (1664, 15407), (1736, 14768), (1846, 13888), (1984, 12922), (1988, 12896), (2201, 11648), (2272, 11284), (2821, 9088), (2912, 8804), (3224, 7952), (3472, 7384), (3692, 6944), (3968, 6461), (3976, 6448), (4402, 5824), (4544, 5642)]