84185840

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{277}}^1$

素因数の和:450

約数の個数: 80

約数和(自身を含む): 204763680

約数和(自身を除く): 120577840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 131, 145, 232, 262, 277, 290, 464, 524, 554, 580, 655, 1048, 1108, 1160, 1310, 1385, 2096, 2216, 2320, 2620, 2770, 3799, 4432, 5240, 5540, 7598, 8033, 10480, 11080, 15196, 16066, 18995, 22160, 30392, 32132, 36287, 37990, 40165, 60784, 64264, 72574, 75980, 80330, 128528, 145148, 151960, 160660, 181435, 290296, 303920, 321320, 362870, 580592, 642640, 725740, 1052323, 1451480, 2104646, 2902960, 4209292, 5261615, 8418584, 10523230, 16837168, 21046460, 42092920, 84185840]

約数ペア:

[(1, 84185840), (2, 42092920), (4, 21046460), (5, 16837168), (8, 10523230), (10, 8418584), (16, 5261615), (20, 4209292), (29, 2902960), (40, 2104646), (58, 1451480), (80, 1052323), (116, 725740), (131, 642640), (145, 580592), (232, 362870), (262, 321320), (277, 303920), (290, 290296), (464, 181435), (524, 160660), (554, 151960), (580, 145148), (655, 128528), (1048, 80330), (1108, 75980), (1160, 72574), (1310, 64264), (1385, 60784), (2096, 40165), (2216, 37990), (2320, 36287), (2620, 32132), (2770, 30392), (3799, 22160), (4432, 18995), (5240, 16066), (5540, 15196), (7598, 11080), (8033, 10480)]