84996880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{281}}^1$

素因数の和:512

約数の個数: 80

約数和(自身を含む): 209808000

約数和(自身を除く): 124811120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 199, 281, 304, 380, 398, 562, 760, 796, 995, 1124, 1405, 1520, 1592, 1990, 2248, 2810, 3184, 3781, 3980, 4496, 5339, 5620, 7562, 7960, 10678, 11240, 15124, 15920, 18905, 21356, 22480, 26695, 30248, 37810, 42712, 53390, 55919, 60496, 75620, 85424, 106780, 111838, 151240, 213560, 223676, 279595, 302480, 427120, 447352, 559190, 894704, 1062461, 1118380, 2124922, 2236760, 4249844, 4473520, 5312305, 8499688, 10624610, 16999376, 21249220, 42498440, 84996880]

約数ペア:

[(1, 84996880), (2, 42498440), (4, 21249220), (5, 16999376), (8, 10624610), (10, 8499688), (16, 5312305), (19, 4473520), (20, 4249844), (38, 2236760), (40, 2124922), (76, 1118380), (80, 1062461), (95, 894704), (152, 559190), (190, 447352), (199, 427120), (281, 302480), (304, 279595), (380, 223676), (398, 213560), (562, 151240), (760, 111838), (796, 106780), (995, 85424), (1124, 75620), (1405, 60496), (1520, 55919), (1592, 53390), (1990, 42712), (2248, 37810), (2810, 30248), (3184, 26695), (3781, 22480), (3980, 21356), (4496, 18905), (5339, 15920), (5620, 15124), (7562, 11240), (7960, 10678)]