2689665280

素因数分解:

$2^8\times 5^1\times {\mathrm{811}}^1\times {\mathrm{2591}}^1$

素因数の和:3423

約数の個数: 72

約数和(自身を含む): 6453022464

約数和(自身を除く): 3763357184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 811, 1280, 1622, 2591, 3244, 4055, 5182, 6488, 8110, 10364, 12955, 12976, 16220, 20728, 25910, 25952, 32440, 41456, 51820, 51904, 64880, 82912, 103640, 103808, 129760, 165824, 207280, 207616, 259520, 331648, 414560, 519040, 663296, 829120, 1038080, 1658240, 2101301, 3316480, 4202602, 8405204, 10506505, 16810408, 21013010, 33620816, 42026020, 67241632, 84052040, 134483264, 168104080, 268966528, 336208160, 537933056, 672416320, 1344832640, 2689665280]

約数ペア:

[(1, 2689665280), (2, 1344832640), (4, 672416320), (5, 537933056), (8, 336208160), (10, 268966528), (16, 168104080), (20, 134483264), (32, 84052040), (40, 67241632), (64, 42026020), (80, 33620816), (128, 21013010), (160, 16810408), (256, 10506505), (320, 8405204), (640, 4202602), (811, 3316480), (1280, 2101301), (1622, 1658240), (2591, 1038080), (3244, 829120), (4055, 663296), (5182, 519040), (6488, 414560), (8110, 331648), (10364, 259520), (12955, 207616), (12976, 207280), (16220, 165824), (20728, 129760), (25910, 103808), (25952, 103640), (32440, 82912), (41456, 64880), (51820, 51904)]