90287740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{1069}}^1$

素因数の和:1222

約数の個数: 48

約数和(自身を含む): 196297920

約数和(自身を除く): 106010180

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 103, 164, 205, 206, 410, 412, 515, 820, 1030, 1069, 2060, 2138, 4223, 4276, 5345, 8446, 10690, 16892, 21115, 21380, 42230, 43829, 84460, 87658, 110107, 175316, 219145, 220214, 438290, 440428, 550535, 876580, 1101070, 2202140, 4514387, 9028774, 18057548, 22571935, 45143870, 90287740]

約数ペア:

[(1, 90287740), (2, 45143870), (4, 22571935), (5, 18057548), (10, 9028774), (20, 4514387), (41, 2202140), (82, 1101070), (103, 876580), (164, 550535), (205, 440428), (206, 438290), (410, 220214), (412, 219145), (515, 175316), (820, 110107), (1030, 87658), (1069, 84460), (2060, 43829), (2138, 42230), (4223, 21380), (4276, 21115), (5345, 16892), (8446, 10690)]