8306420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21859}}^1$

素因数の和:21887

約数の個数: 24

約数和(自身を含む): 18362400

約数和(自身を除く): 10055980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 21859, 43718, 87436, 109295, 218590, 415321, 437180, 830642, 1661284, 2076605, 4153210, 8306420]

約数ペア:

[(1, 8306420), (2, 4153210), (4, 2076605), (5, 1661284), (10, 830642), (19, 437180), (20, 415321), (38, 218590), (76, 109295), (95, 87436), (190, 43718), (380, 21859)]