82239980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{216421}}^1$

素因数の和:216449

約数の個数: 24

約数和(自身を含む): 181794480

約数和(自身を除く): 99554500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 216421, 432842, 865684, 1082105, 2164210, 4111999, 4328420, 8223998, 16447996, 20559995, 41119990, 82239980]

約数ペア:

[(1, 82239980), (2, 41119990), (4, 20559995), (5, 16447996), (10, 8223998), (19, 4328420), (20, 4111999), (38, 2164210), (76, 1082105), (95, 865684), (190, 432842), (380, 216421)]