13857440

素因数分解:

$2^5\times 5^1\times {\mathrm{257}}^1\times {\mathrm{337}}^1$

素因数の和:609

約数の個数: 48

約数和(自身を含む): 32963112

約数和(自身を除く): 19105672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 257, 337, 514, 674, 1028, 1285, 1348, 1685, 2056, 2570, 2696, 3370, 4112, 5140, 5392, 6740, 8224, 10280, 10784, 13480, 20560, 26960, 41120, 53920, 86609, 173218, 346436, 433045, 692872, 866090, 1385744, 1732180, 2771488, 3464360, 6928720, 13857440]

約数ペア:

[(1, 13857440), (2, 6928720), (4, 3464360), (5, 2771488), (8, 1732180), (10, 1385744), (16, 866090), (20, 692872), (32, 433045), (40, 346436), (80, 173218), (160, 86609), (257, 53920), (337, 41120), (514, 26960), (674, 20560), (1028, 13480), (1285, 10784), (1348, 10280), (1685, 8224), (2056, 6740), (2570, 5392), (2696, 5140), (3370, 4112)]