8109860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 18772992

約数和(自身を除く): 10663132

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 191, 193, 220, 382, 386, 764, 772, 955, 965, 1910, 1930, 2101, 2123, 3820, 3860, 4202, 4246, 8404, 8492, 10505, 10615, 21010, 21230, 36863, 42020, 42460, 73726, 147452, 184315, 368630, 405493, 737260, 810986, 1621972, 2027465, 4054930, 8109860]

約数ペア:

[(1, 8109860), (2, 4054930), (4, 2027465), (5, 1621972), (10, 810986), (11, 737260), (20, 405493), (22, 368630), (44, 184315), (55, 147452), (110, 73726), (191, 42460), (193, 42020), (220, 36863), (382, 21230), (386, 21010), (764, 10615), (772, 10505), (955, 8492), (965, 8404), (1910, 4246), (1930, 4202), (2101, 3860), (2123, 3820)]