81320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:137

約数の個数: 32

約数和(自身を含む): 194400

約数和(自身を除く): 113080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 107, 152, 190, 214, 380, 428, 535, 760, 856, 1070, 2033, 2140, 4066, 4280, 8132, 10165, 16264, 20330, 40660, 81320]

約数ペア:

[(1, 81320), (2, 40660), (4, 20330), (5, 16264), (8, 10165), (10, 8132), (19, 4280), (20, 4066), (38, 2140), (40, 2033), (76, 1070), (95, 856), (107, 760), (152, 535), (190, 428), (214, 380)]