181223920

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{17837}}^1$

素因数の和:17977

約数の個数: 40

約数和(自身を含む): 424687104

約数和(自身を除く): 243463184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 17837, 35674, 71348, 89185, 142696, 178370, 285392, 356740, 713480, 1426960, 2265299, 4530598, 9061196, 11326495, 18122392, 22652990, 36244784, 45305980, 90611960, 181223920]

約数ペア:

[(1, 181223920), (2, 90611960), (4, 45305980), (5, 36244784), (8, 22652990), (10, 18122392), (16, 11326495), (20, 9061196), (40, 4530598), (80, 2265299), (127, 1426960), (254, 713480), (508, 356740), (635, 285392), (1016, 178370), (1270, 142696), (2032, 89185), (2540, 71348), (5080, 35674), (10160, 17837)]