66485840

素因数分解:

$2^4\times 5^1\times {\mathrm{831073}}^1$

素因数の和:831086

約数の個数: 20

約数和(自身を含む): 154579764

約数和(自身を除く): 88093924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 831073, 1662146, 3324292, 4155365, 6648584, 8310730, 13297168, 16621460, 33242920, 66485840]

約数ペア:

[(1, 66485840), (2, 33242920), (4, 16621460), (5, 13297168), (8, 8310730), (10, 6648584), (16, 4155365), (20, 3324292), (40, 1662146), (80, 831073)]