87613640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1607}}^1$

素因数の和:1694

約数の個数: 64

約数和(自身を含む): 208396800

約数和(自身を除く): 120783160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 47, 58, 94, 116, 145, 188, 232, 235, 290, 376, 470, 580, 940, 1160, 1363, 1607, 1880, 2726, 3214, 5452, 6428, 6815, 8035, 10904, 12856, 13630, 16070, 27260, 32140, 46603, 54520, 64280, 75529, 93206, 151058, 186412, 233015, 302116, 372824, 377645, 466030, 604232, 755290, 932060, 1510580, 1864120, 2190341, 3021160, 4380682, 8761364, 10951705, 17522728, 21903410, 43806820, 87613640]

約数ペア:

[(1, 87613640), (2, 43806820), (4, 21903410), (5, 17522728), (8, 10951705), (10, 8761364), (20, 4380682), (29, 3021160), (40, 2190341), (47, 1864120), (58, 1510580), (94, 932060), (116, 755290), (145, 604232), (188, 466030), (232, 377645), (235, 372824), (290, 302116), (376, 233015), (470, 186412), (580, 151058), (940, 93206), (1160, 75529), (1363, 64280), (1607, 54520), (1880, 46603), (2726, 32140), (3214, 27260), (5452, 16070), (6428, 13630), (6815, 12856), (8035, 10904)]