19648000

素因数分解:

$2^9\times 5^3\times {\mathrm{307}}^1$

素因数の和:340

約数の個数: 80

約数和(自身を含む): 49153104

約数和(自身を除く): 29505104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 307, 320, 400, 500, 512, 614, 640, 800, 1000, 1228, 1280, 1535, 1600, 2000, 2456, 2560, 3070, 3200, 4000, 4912, 6140, 6400, 7675, 8000, 9824, 12280, 12800, 15350, 16000, 19648, 24560, 30700, 32000, 38375, 39296, 49120, 61400, 64000, 76750, 78592, 98240, 122800, 153500, 157184, 196480, 245600, 307000, 392960, 491200, 614000, 785920, 982400, 1228000, 1964800, 2456000, 3929600, 4912000, 9824000, 19648000]

約数ペア:

[(1, 19648000), (2, 9824000), (4, 4912000), (5, 3929600), (8, 2456000), (10, 1964800), (16, 1228000), (20, 982400), (25, 785920), (32, 614000), (40, 491200), (50, 392960), (64, 307000), (80, 245600), (100, 196480), (125, 157184), (128, 153500), (160, 122800), (200, 98240), (250, 78592), (256, 76750), (307, 64000), (320, 61400), (400, 49120), (500, 39296), (512, 38375), (614, 32000), (640, 30700), (800, 24560), (1000, 19648), (1228, 16000), (1280, 15350), (1535, 12800), (1600, 12280), (2000, 9824), (2456, 8000), (2560, 7675), (3070, 6400), (3200, 6140), (4000, 4912)]