131445080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{252779}}^1$

素因数の和:252803

約数の個数: 32

約数和(自身を含む): 318502800

約数和(自身を除く): 187057720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 252779, 505558, 1011116, 1263895, 2022232, 2527790, 3286127, 5055580, 6572254, 10111160, 13144508, 16430635, 26289016, 32861270, 65722540, 131445080]

約数ペア:

[(1, 131445080), (2, 65722540), (4, 32861270), (5, 26289016), (8, 16430635), (10, 13144508), (13, 10111160), (20, 6572254), (26, 5055580), (40, 3286127), (52, 2527790), (65, 2022232), (104, 1263895), (130, 1011116), (260, 505558), (520, 252779)]