78064640

素因数分解:

$2^{10}\times 5^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:297

約数の個数: 88

約数和(自身を含む): 190616640

約数和(自身を除く): 112552000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 193, 256, 316, 320, 386, 395, 512, 632, 640, 772, 790, 965, 1024, 1264, 1280, 1544, 1580, 1930, 2528, 2560, 3088, 3160, 3860, 5056, 5120, 6176, 6320, 7720, 10112, 12352, 12640, 15247, 15440, 20224, 24704, 25280, 30494, 30880, 40448, 49408, 50560, 60988, 61760, 76235, 80896, 98816, 101120, 121976, 123520, 152470, 197632, 202240, 243952, 247040, 304940, 404480, 487904, 494080, 609880, 975808, 988160, 1219760, 1951616, 2439520, 3903232, 4879040, 7806464, 9758080, 15612928, 19516160, 39032320, 78064640]

約数ペア:

[(1, 78064640), (2, 39032320), (4, 19516160), (5, 15612928), (8, 9758080), (10, 7806464), (16, 4879040), (20, 3903232), (32, 2439520), (40, 1951616), (64, 1219760), (79, 988160), (80, 975808), (128, 609880), (158, 494080), (160, 487904), (193, 404480), (256, 304940), (316, 247040), (320, 243952), (386, 202240), (395, 197632), (512, 152470), (632, 123520), (640, 121976), (772, 101120), (790, 98816), (965, 80896), (1024, 76235), (1264, 61760), (1280, 60988), (1544, 50560), (1580, 49408), (1930, 40448), (2528, 30880), (2560, 30494), (3088, 25280), (3160, 24704), (3860, 20224), (5056, 15440), (5120, 15247), (6176, 12640), (6320, 12352), (7720, 10112)]