51408280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16691}}^1$

素因数の和:16720

約数の個数: 64

約数和(自身を含む): 144218880

約数和(自身を除く): 92810600

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 16691, 33382, 66764, 83455, 116837, 133528, 166910, 183601, 233674, 333820, 367202, 467348, 584185, 667640, 734404, 918005, 934696, 1168370, 1285207, 1468808, 1836010, 2336740, 2570414, 3672020, 4673480, 5140828, 6426035, 7344040, 10281656, 12852070, 25704140, 51408280]

約数ペア:

[(1, 51408280), (2, 25704140), (4, 12852070), (5, 10281656), (7, 7344040), (8, 6426035), (10, 5140828), (11, 4673480), (14, 3672020), (20, 2570414), (22, 2336740), (28, 1836010), (35, 1468808), (40, 1285207), (44, 1168370), (55, 934696), (56, 918005), (70, 734404), (77, 667640), (88, 584185), (110, 467348), (140, 367202), (154, 333820), (220, 233674), (280, 183601), (308, 166910), (385, 133528), (440, 116837), (616, 83455), (770, 66764), (1540, 33382), (3080, 16691)]