131584000

素因数分解:

$2^{12}\times 5^3\times {\mathrm{257}}^1$

素因数の和:296

約数の個数: 104

約数和(自身を含む): 329671368

約数和(自身を除く): 198087368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 257, 320, 400, 500, 512, 514, 640, 800, 1000, 1024, 1028, 1280, 1285, 1600, 2000, 2048, 2056, 2560, 2570, 3200, 4000, 4096, 4112, 5120, 5140, 6400, 6425, 8000, 8224, 10240, 10280, 12800, 12850, 16000, 16448, 20480, 20560, 25600, 25700, 32000, 32125, 32896, 41120, 51200, 51400, 64000, 64250, 65792, 82240, 102400, 102800, 128000, 128500, 131584, 164480, 205600, 256000, 257000, 263168, 328960, 411200, 512000, 514000, 526336, 657920, 822400, 1028000, 1052672, 1315840, 1644800, 2056000, 2631680, 3289600, 4112000, 5263360, 6579200, 8224000, 13158400, 16448000, 26316800, 32896000, 65792000, 131584000]

約数ペア:

[(1, 131584000), (2, 65792000), (4, 32896000), (5, 26316800), (8, 16448000), (10, 13158400), (16, 8224000), (20, 6579200), (25, 5263360), (32, 4112000), (40, 3289600), (50, 2631680), (64, 2056000), (80, 1644800), (100, 1315840), (125, 1052672), (128, 1028000), (160, 822400), (200, 657920), (250, 526336), (256, 514000), (257, 512000), (320, 411200), (400, 328960), (500, 263168), (512, 257000), (514, 256000), (640, 205600), (800, 164480), (1000, 131584), (1024, 128500), (1028, 128000), (1280, 102800), (1285, 102400), (1600, 82240), (2000, 65792), (2048, 64250), (2056, 64000), (2560, 51400), (2570, 51200), (3200, 41120), (4000, 32896), (4096, 32125), (4112, 32000), (5120, 25700), (5140, 25600), (6400, 20560), (6425, 20480), (8000, 16448), (8224, 16000), (10240, 12850), (10280, 12800)]