80745385

素因数分解:

$5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{4919}}^1$

素因数の和:5005

約数の個数: 24

約数和(自身を含む): 114419520

約数和(自身を除く): 33674135

約数列:

[1, 5, 7, 35, 49, 67, 245, 335, 469, 2345, 3283, 4919, 16415, 24595, 34433, 172165, 241031, 329573, 1205155, 1647865, 2307011, 11535055, 16149077, 80745385]

約数ペア:

[(1, 80745385), (5, 16149077), (7, 11535055), (35, 2307011), (49, 1647865), (67, 1205155), (245, 329573), (335, 241031), (469, 172165), (2345, 34433), (3283, 24595), (4919, 16415)]