26880490865

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{479}}^1\times {\mathrm{1663}}^1$

素因数の和:2561

約数の個数: 32

約数和(自身を含む): 34332180480

約数和(自身を除く): 7451689615

約数列:

[1, 5, 17, 85, 397, 479, 1663, 1985, 2395, 6749, 8143, 8315, 28271, 33745, 40715, 141355, 190163, 660211, 796577, 950815, 3232771, 3301055, 3982885, 11223587, 13541809, 16163855, 56117935, 67709045, 316241069, 1581205345, 5376098173, 26880490865]

約数ペア:

[(1, 26880490865), (5, 5376098173), (17, 1581205345), (85, 316241069), (397, 67709045), (479, 56117935), (1663, 16163855), (1985, 13541809), (2395, 11223587), (6749, 3982885), (8143, 3301055), (8315, 3232771), (28271, 950815), (33745, 796577), (40715, 660211), (141355, 190163)]