82240000

素因数分解:

$2^9\times 5^4\times {\mathrm{257}}^1$

素因数の和:295

約数の個数: 100

約数和(自身を含む): 206132454

約数和(自身を除く): 123892454

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, 625, 640, 800, 1000, 1028, 1250, 1280, 1285, 1600, 2000, 2056, 2500, 2560, 2570, 3200, 4000, 4112, 5000, 5140, 6400, 6425, 8000, 8224, 10000, 10280, 12800, 12850, 16000, 16448, 20000, 20560, 25700, 32000, 32125, 32896, 40000, 41120, 51400, 64000, 64250, 65792, 80000, 82240, 102800, 128500, 131584, 160000, 160625, 164480, 205600, 257000, 320000, 321250, 328960, 411200, 514000, 642500, 657920, 822400, 1028000, 1285000, 1644800, 2056000, 2570000, 3289600, 4112000, 5140000, 8224000, 10280000, 16448000, 20560000, 41120000, 82240000]

約数ペア:

[(1, 82240000), (2, 41120000), (4, 20560000), (5, 16448000), (8, 10280000), (10, 8224000), (16, 5140000), (20, 4112000), (25, 3289600), (32, 2570000), (40, 2056000), (50, 1644800), (64, 1285000), (80, 1028000), (100, 822400), (125, 657920), (128, 642500), (160, 514000), (200, 411200), (250, 328960), (256, 321250), (257, 320000), (320, 257000), (400, 205600), (500, 164480), (512, 160625), (514, 160000), (625, 131584), (640, 128500), (800, 102800), (1000, 82240), (1028, 80000), (1250, 65792), (1280, 64250), (1285, 64000), (1600, 51400), (2000, 41120), (2056, 40000), (2500, 32896), (2560, 32125), (2570, 32000), (3200, 25700), (4000, 20560), (4112, 20000), (5000, 16448), (5140, 16000), (6400, 12850), (6425, 12800), (8000, 10280), (8224, 10000)]