2547200

素因数分解:

$2^9\times 5^2\times {\mathrm{199}}^1$

素因数の和:227

約数の個数: 60

約数和(自身を含む): 6342600

約数和(自身を除く): 3795400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 199, 200, 256, 320, 398, 400, 512, 640, 796, 800, 995, 1280, 1592, 1600, 1990, 2560, 3184, 3200, 3980, 4975, 6368, 6400, 7960, 9950, 12736, 12800, 15920, 19900, 25472, 31840, 39800, 50944, 63680, 79600, 101888, 127360, 159200, 254720, 318400, 509440, 636800, 1273600, 2547200]

約数ペア:

[(1, 2547200), (2, 1273600), (4, 636800), (5, 509440), (8, 318400), (10, 254720), (16, 159200), (20, 127360), (25, 101888), (32, 79600), (40, 63680), (50, 50944), (64, 39800), (80, 31840), (100, 25472), (128, 19900), (160, 15920), (199, 12800), (200, 12736), (256, 9950), (320, 7960), (398, 6400), (400, 6368), (512, 4975), (640, 3980), (796, 3200), (800, 3184), (995, 2560), (1280, 1990), (1592, 1600)]