85601840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{283}}^1$

素因数の和:514

約数の個数: 80

約数和(自身を含む): 211296000

約数和(自身を除く): 125694160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 199, 283, 304, 380, 398, 566, 760, 796, 995, 1132, 1415, 1520, 1592, 1990, 2264, 2830, 3184, 3781, 3980, 4528, 5377, 5660, 7562, 7960, 10754, 11320, 15124, 15920, 18905, 21508, 22640, 26885, 30248, 37810, 43016, 53770, 56317, 60496, 75620, 86032, 107540, 112634, 151240, 215080, 225268, 281585, 302480, 430160, 450536, 563170, 901072, 1070023, 1126340, 2140046, 2252680, 4280092, 4505360, 5350115, 8560184, 10700230, 17120368, 21400460, 42800920, 85601840]

約数ペア:

[(1, 85601840), (2, 42800920), (4, 21400460), (5, 17120368), (8, 10700230), (10, 8560184), (16, 5350115), (19, 4505360), (20, 4280092), (38, 2252680), (40, 2140046), (76, 1126340), (80, 1070023), (95, 901072), (152, 563170), (190, 450536), (199, 430160), (283, 302480), (304, 281585), (380, 225268), (398, 215080), (566, 151240), (760, 112634), (796, 107540), (995, 86032), (1132, 75620), (1415, 60496), (1520, 56317), (1592, 53770), (1990, 43016), (2264, 37810), (2830, 30248), (3184, 26885), (3781, 22640), (3980, 21508), (4528, 18905), (5377, 15920), (5660, 15124), (7562, 11320), (7960, 10754)]