73221020

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{26723}}^1$

素因数の和:26869

約数の個数: 24

約数和(自身を含む): 154892304

約数和(自身を除く): 81671284

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 26723, 53446, 106892, 133615, 267230, 534460, 3661051, 7322102, 14644204, 18305255, 36610510, 73221020]

約数ペア:

[(1, 73221020), (2, 36610510), (4, 18305255), (5, 14644204), (10, 7322102), (20, 3661051), (137, 534460), (274, 267230), (548, 133615), (685, 106892), (1370, 53446), (2740, 26723)]