9999565540

素因数分解:

$2^2\times 5^1\times {\mathrm{5471}}^1\times {\mathrm{91387}}^1$

素因数の和:96867

約数の個数: 24

約数和(自身を含む): 21003155712

約数和(自身を除く): 11003590172

約数列:

[1, 2, 4, 5, 10, 20, 5471, 10942, 21884, 27355, 54710, 91387, 109420, 182774, 365548, 456935, 913870, 1827740, 499978277, 999956554, 1999913108, 2499891385, 4999782770, 9999565540]

約数ペア:

[(1, 9999565540), (2, 4999782770), (4, 2499891385), (5, 1999913108), (10, 999956554), (20, 499978277), (5471, 1827740), (10942, 913870), (21884, 456935), (27355, 365548), (54710, 182774), (91387, 109420)]