80656960

素因数分解:

$2^6\times 5^1\times {\mathrm{269}}^1\times {\mathrm{937}}^1$

素因数の和:1223

約数の個数: 56

約数和(自身を含む): 192984120

約数和(自身を除く): 112327160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 269, 320, 538, 937, 1076, 1345, 1874, 2152, 2690, 3748, 4304, 4685, 5380, 7496, 8608, 9370, 10760, 14992, 17216, 18740, 21520, 29984, 37480, 43040, 59968, 74960, 86080, 149920, 252053, 299840, 504106, 1008212, 1260265, 2016424, 2520530, 4032848, 5041060, 8065696, 10082120, 16131392, 20164240, 40328480, 80656960]

約数ペア:

[(1, 80656960), (2, 40328480), (4, 20164240), (5, 16131392), (8, 10082120), (10, 8065696), (16, 5041060), (20, 4032848), (32, 2520530), (40, 2016424), (64, 1260265), (80, 1008212), (160, 504106), (269, 299840), (320, 252053), (538, 149920), (937, 86080), (1076, 74960), (1345, 59968), (1874, 43040), (2152, 37480), (2690, 29984), (3748, 21520), (4304, 18740), (4685, 17216), (5380, 14992), (7496, 10760), (8608, 9370)]