80286880

素因数分解:

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

素因数の和:1841

約数の個数: 48

約数和(自身を含む): 190368360

約数和(自身を除く): 110081480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 337, 674, 1348, 1489, 1685, 2696, 2978, 3370, 5392, 5956, 6740, 7445, 10784, 11912, 13480, 14890, 23824, 26960, 29780, 47648, 53920, 59560, 119120, 238240, 501793, 1003586, 2007172, 2508965, 4014344, 5017930, 8028688, 10035860, 16057376, 20071720, 40143440, 80286880]

約数ペア:

[(1, 80286880), (2, 40143440), (4, 20071720), (5, 16057376), (8, 10035860), (10, 8028688), (16, 5017930), (20, 4014344), (32, 2508965), (40, 2007172), (80, 1003586), (160, 501793), (337, 238240), (674, 119120), (1348, 59560), (1489, 53920), (1685, 47648), (2696, 29780), (2978, 26960), (3370, 23824), (5392, 14890), (5956, 13480), (6740, 11912), (7445, 10784)]