4320580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{479}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 10160640

約数和(自身を除く): 5840060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 479, 820, 902, 958, 1804, 1916, 2255, 2395, 4510, 4790, 5269, 9020, 9580, 10538, 19639, 21076, 26345, 39278, 52690, 78556, 98195, 105380, 196390, 216029, 392780, 432058, 864116, 1080145, 2160290, 4320580]

約数ペア:

[(1, 4320580), (2, 2160290), (4, 1080145), (5, 864116), (10, 432058), (11, 392780), (20, 216029), (22, 196390), (41, 105380), (44, 98195), (55, 78556), (82, 52690), (110, 39278), (164, 26345), (205, 21076), (220, 19639), (410, 10538), (451, 9580), (479, 9020), (820, 5269), (902, 4790), (958, 4510), (1804, 2395), (1916, 2255)]