66712580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{1153}}^1$

素因数の和:1436

約数の個数: 48

約数和(自身を含む): 153546624

約数和(自身を除く): 86834044

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 263, 526, 1052, 1153, 1315, 2306, 2630, 2893, 4612, 5260, 5765, 5786, 11530, 11572, 12683, 14465, 23060, 25366, 28930, 50732, 57860, 63415, 126830, 253660, 303239, 606478, 1212956, 1516195, 3032390, 3335629, 6064780, 6671258, 13342516, 16678145, 33356290, 66712580]

約数ペア:

[(1, 66712580), (2, 33356290), (4, 16678145), (5, 13342516), (10, 6671258), (11, 6064780), (20, 3335629), (22, 3032390), (44, 1516195), (55, 1212956), (110, 606478), (220, 303239), (263, 253660), (526, 126830), (1052, 63415), (1153, 57860), (1315, 50732), (2306, 28930), (2630, 25366), (2893, 23060), (4612, 14465), (5260, 12683), (5765, 11572), (5786, 11530)]