10720180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{28211}}^1$

素因数の和:28239

約数の個数: 24

約数和(自身を含む): 23698080

約数和(自身を除く): 12977900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 28211, 56422, 112844, 141055, 282110, 536009, 564220, 1072018, 2144036, 2680045, 5360090, 10720180]

約数ペア:

[(1, 10720180), (2, 5360090), (4, 2680045), (5, 2144036), (10, 1072018), (19, 564220), (20, 536009), (38, 282110), (76, 141055), (95, 112844), (190, 56422), (380, 28211)]