4112000

素因数分解:

$2^7\times 5^3\times {\mathrm{257}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 10263240

約数和(自身を除く): 6151240

約数列:

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

約数ペア:

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