8265380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21751}}^1$

素因数の和:21779

約数の個数: 24

約数和(自身を含む): 18271680

約数和(自身を除く): 10006300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 21751, 43502, 87004, 108755, 217510, 413269, 435020, 826538, 1653076, 2066345, 4132690, 8265380]

約数ペア:

[(1, 8265380), (2, 4132690), (4, 2066345), (5, 1653076), (10, 826538), (19, 435020), (20, 413269), (38, 217510), (76, 108755), (95, 87004), (190, 43502), (380, 21751)]