40143440

素因数分解:

$2^4\times 5^1\times {\mathrm{337}}^1\times {\mathrm{1489}}^1$

素因数の和:1839

約数の個数: 40

約数和(自身を含む): 93673320

約数和(自身を除く): 53529880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 337, 674, 1348, 1489, 1685, 2696, 2978, 3370, 5392, 5956, 6740, 7445, 11912, 13480, 14890, 23824, 26960, 29780, 59560, 119120, 501793, 1003586, 2007172, 2508965, 4014344, 5017930, 8028688, 10035860, 20071720, 40143440]

約数ペア:

[(1, 40143440), (2, 20071720), (4, 10035860), (5, 8028688), (8, 5017930), (10, 4014344), (16, 2508965), (20, 2007172), (40, 1003586), (80, 501793), (337, 119120), (674, 59560), (1348, 29780), (1489, 26960), (1685, 23824), (2696, 14890), (2978, 13480), (3370, 11912), (5392, 7445), (5956, 6740)]