66394360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{439}}^1$

素因数の和:668

約数の個数: 64

約数和(自身を含む): 158400000

約数和(自身を除く): 92005640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 199, 380, 398, 439, 760, 796, 878, 995, 1592, 1756, 1990, 2195, 3512, 3781, 3980, 4390, 7562, 7960, 8341, 8780, 15124, 16682, 17560, 18905, 30248, 33364, 37810, 41705, 66728, 75620, 83410, 87361, 151240, 166820, 174722, 333640, 349444, 436805, 698888, 873610, 1659859, 1747220, 3319718, 3494440, 6639436, 8299295, 13278872, 16598590, 33197180, 66394360]

約数ペア:

[(1, 66394360), (2, 33197180), (4, 16598590), (5, 13278872), (8, 8299295), (10, 6639436), (19, 3494440), (20, 3319718), (38, 1747220), (40, 1659859), (76, 873610), (95, 698888), (152, 436805), (190, 349444), (199, 333640), (380, 174722), (398, 166820), (439, 151240), (760, 87361), (796, 83410), (878, 75620), (995, 66728), (1592, 41705), (1756, 37810), (1990, 33364), (2195, 30248), (3512, 18905), (3781, 17560), (3980, 16682), (4390, 15124), (7562, 8780), (7960, 8341)]