7788851920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1451}}^1\times {\mathrm{3947}}^1$

素因数の和:5428

約数の個数: 80

約数和(自身を含む): 19192396608

約数和(自身を除く): 11403544688

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 1451, 2902, 3947, 5804, 7255, 7894, 11608, 14510, 15788, 19735, 23216, 24667, 29020, 31576, 39470, 49334, 58040, 63152, 67099, 78940, 98668, 116080, 123335, 134198, 157880, 197336, 246670, 268396, 315760, 335495, 394672, 493340, 536792, 670990, 986680, 1073584, 1341980, 1973360, 2683960, 5367920, 5727097, 11454194, 22908388, 28635485, 45816776, 57270970, 91633552, 97360649, 114541940, 194721298, 229083880, 389442596, 458167760, 486803245, 778885192, 973606490, 1557770384, 1947212980, 3894425960, 7788851920]

約数ペア:

[(1, 7788851920), (2, 3894425960), (4, 1947212980), (5, 1557770384), (8, 973606490), (10, 778885192), (16, 486803245), (17, 458167760), (20, 389442596), (34, 229083880), (40, 194721298), (68, 114541940), (80, 97360649), (85, 91633552), (136, 57270970), (170, 45816776), (272, 28635485), (340, 22908388), (680, 11454194), (1360, 5727097), (1451, 5367920), (2902, 2683960), (3947, 1973360), (5804, 1341980), (7255, 1073584), (7894, 986680), (11608, 670990), (14510, 536792), (15788, 493340), (19735, 394672), (23216, 335495), (24667, 315760), (29020, 268396), (31576, 246670), (39470, 197336), (49334, 157880), (58040, 134198), (63152, 123335), (67099, 116080), (78940, 98668)]