89856580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{1553}}^1$

素因数の和:1836

約数の個数: 48

約数和(自身を含む): 206769024

約数和(自身を除く): 116912444

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 263, 526, 1052, 1315, 1553, 2630, 2893, 3106, 5260, 5786, 6212, 7765, 11572, 14465, 15530, 17083, 28930, 31060, 34166, 57860, 68332, 85415, 170830, 341660, 408439, 816878, 1633756, 2042195, 4084390, 4492829, 8168780, 8985658, 17971316, 22464145, 44928290, 89856580]

約数ペア:

[(1, 89856580), (2, 44928290), (4, 22464145), (5, 17971316), (10, 8985658), (11, 8168780), (20, 4492829), (22, 4084390), (44, 2042195), (55, 1633756), (110, 816878), (220, 408439), (263, 341660), (526, 170830), (1052, 85415), (1315, 68332), (1553, 57860), (2630, 34166), (2893, 31060), (3106, 28930), (5260, 17083), (5786, 15530), (6212, 14465), (7765, 11572)]