25704140

素因数分解:

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

素因数の和:16718

約数の個数: 48

約数和(自身を含む): 67302144

約数和(自身を除く): 41598004

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 16691, 33382, 66764, 83455, 116837, 166910, 183601, 233674, 333820, 367202, 467348, 584185, 734404, 918005, 1168370, 1285207, 1836010, 2336740, 2570414, 3672020, 5140828, 6426035, 12852070, 25704140]

約数ペア:

[(1, 25704140), (2, 12852070), (4, 6426035), (5, 5140828), (7, 3672020), (10, 2570414), (11, 2336740), (14, 1836010), (20, 1285207), (22, 1168370), (28, 918005), (35, 734404), (44, 584185), (55, 467348), (70, 367202), (77, 333820), (110, 233674), (140, 183601), (154, 166910), (220, 116837), (308, 83455), (385, 66764), (770, 33382), (1540, 16691)]