8224000

素因数分解:

$2^8\times 5^3\times {\mathrm{257}}^1$

素因数の和:288

約数の個数: 72

約数和(自身を含む): 20566728

約数和(自身を除く): 12342728

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, 514, 640, 800, 1000, 1028, 1280, 1285, 1600, 2000, 2056, 2570, 3200, 4000, 4112, 5140, 6400, 6425, 8000, 8224, 10280, 12850, 16000, 16448, 20560, 25700, 32000, 32125, 32896, 41120, 51400, 64250, 65792, 82240, 102800, 128500, 164480, 205600, 257000, 328960, 411200, 514000, 822400, 1028000, 1644800, 2056000, 4112000, 8224000]

約数ペア:

[(1, 8224000), (2, 4112000), (4, 2056000), (5, 1644800), (8, 1028000), (10, 822400), (16, 514000), (20, 411200), (25, 328960), (32, 257000), (40, 205600), (50, 164480), (64, 128500), (80, 102800), (100, 82240), (125, 65792), (128, 64250), (160, 51400), (200, 41120), (250, 32896), (256, 32125), (257, 32000), (320, 25700), (400, 20560), (500, 16448), (514, 16000), (640, 12850), (800, 10280), (1000, 8224), (1028, 8000), (1280, 6425), (1285, 6400), (1600, 5140), (2000, 4112), (2056, 4000), (2570, 3200)]