8707239680

素因数分解:

$2^8\times 5^1\times {\mathrm{997}}^1\times {\mathrm{6823}}^1$

素因数の和:7841

約数の個数: 72

約数和(自身を含む): 20880539232

約数和(自身を除く): 12173299552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 997, 1280, 1994, 3988, 4985, 6823, 7976, 9970, 13646, 15952, 19940, 27292, 31904, 34115, 39880, 54584, 63808, 68230, 79760, 109168, 127616, 136460, 159520, 218336, 255232, 272920, 319040, 436672, 545840, 638080, 873344, 1091680, 1276160, 1746688, 2183360, 4366720, 6802531, 8733440, 13605062, 27210124, 34012655, 54420248, 68025310, 108840496, 136050620, 217680992, 272101240, 435361984, 544202480, 870723968, 1088404960, 1741447936, 2176809920, 4353619840, 8707239680]

約数ペア:

[(1, 8707239680), (2, 4353619840), (4, 2176809920), (5, 1741447936), (8, 1088404960), (10, 870723968), (16, 544202480), (20, 435361984), (32, 272101240), (40, 217680992), (64, 136050620), (80, 108840496), (128, 68025310), (160, 54420248), (256, 34012655), (320, 27210124), (640, 13605062), (997, 8733440), (1280, 6802531), (1994, 4366720), (3988, 2183360), (4985, 1746688), (6823, 1276160), (7976, 1091680), (9970, 873344), (13646, 638080), (15952, 545840), (19940, 436672), (27292, 319040), (31904, 272920), (34115, 255232), (39880, 218336), (54584, 159520), (63808, 136460), (68230, 127616), (79760, 109168)]