87020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:257

約数の個数: 24

約数和(自身を含む): 193200

約数和(自身を除く): 106180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 229, 380, 458, 916, 1145, 2290, 4351, 4580, 8702, 17404, 21755, 43510, 87020]

約数ペア:

[(1, 87020), (2, 43510), (4, 21755), (5, 17404), (10, 8702), (19, 4580), (20, 4351), (38, 2290), (76, 1145), (95, 916), (190, 458), (229, 380)]