87444440

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{241}}^1$

素因数の和:492

約数の個数: 64

約数和(自身を含む): 202815360

約数和(自身を除く): 115370920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 193, 235, 241, 376, 386, 470, 482, 772, 940, 964, 965, 1205, 1544, 1880, 1928, 1930, 2410, 3860, 4820, 7720, 9071, 9640, 11327, 18142, 22654, 36284, 45308, 45355, 46513, 56635, 72568, 90616, 90710, 93026, 113270, 181420, 186052, 226540, 232565, 362840, 372104, 453080, 465130, 930260, 1860520, 2186111, 4372222, 8744444, 10930555, 17488888, 21861110, 43722220, 87444440]

約数ペア:

[(1, 87444440), (2, 43722220), (4, 21861110), (5, 17488888), (8, 10930555), (10, 8744444), (20, 4372222), (40, 2186111), (47, 1860520), (94, 930260), (188, 465130), (193, 453080), (235, 372104), (241, 362840), (376, 232565), (386, 226540), (470, 186052), (482, 181420), (772, 113270), (940, 93026), (964, 90710), (965, 90616), (1205, 72568), (1544, 56635), (1880, 46513), (1928, 45355), (1930, 45308), (2410, 36284), (3860, 22654), (4820, 18142), (7720, 11327), (9071, 9640)]