2738240

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:259

約数の個数: 56

約数和(自身を含む): 6705600

約数和(自身を除く): 3967360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 199, 215, 320, 344, 398, 430, 688, 796, 860, 995, 1376, 1592, 1720, 1990, 2752, 3184, 3440, 3980, 6368, 6880, 7960, 8557, 12736, 13760, 15920, 17114, 31840, 34228, 42785, 63680, 68456, 85570, 136912, 171140, 273824, 342280, 547648, 684560, 1369120, 2738240]

約数ペア:

[(1, 2738240), (2, 1369120), (4, 684560), (5, 547648), (8, 342280), (10, 273824), (16, 171140), (20, 136912), (32, 85570), (40, 68456), (43, 63680), (64, 42785), (80, 34228), (86, 31840), (160, 17114), (172, 15920), (199, 13760), (215, 12736), (320, 8557), (344, 7960), (398, 6880), (430, 6368), (688, 3980), (796, 3440), (860, 3184), (995, 2752), (1376, 1990), (1592, 1720)]