255972730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1969021}}^1$

素因数の和:1969041

約数の個数: 16

約数和(自身を含む): 496193544

約数和(自身を除く): 240220814

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1969021, 3938042, 9845105, 19690210, 25597273, 51194546, 127986365, 255972730]

約数ペア:

[(1, 255972730), (2, 127986365), (5, 51194546), (10, 25597273), (13, 19690210), (26, 9845105), (65, 3938042), (130, 1969021)]