55049680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{499}}^1$

素因数の和:716

約数の個数: 80

約数和(自身を含む): 147312000

約数和(自身を除く): 92262320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 197, 280, 394, 499, 560, 788, 985, 998, 1379, 1576, 1970, 1996, 2495, 2758, 3152, 3493, 3940, 3992, 4990, 5516, 6895, 6986, 7880, 7984, 9980, 11032, 13790, 13972, 15760, 17465, 19960, 22064, 27580, 27944, 34930, 39920, 55160, 55888, 69860, 98303, 110320, 139720, 196606, 279440, 393212, 491515, 688121, 786424, 983030, 1376242, 1572848, 1966060, 2752484, 3440605, 3932120, 5504968, 6881210, 7864240, 11009936, 13762420, 27524840, 55049680]

約数ペア:

[(1, 55049680), (2, 27524840), (4, 13762420), (5, 11009936), (7, 7864240), (8, 6881210), (10, 5504968), (14, 3932120), (16, 3440605), (20, 2752484), (28, 1966060), (35, 1572848), (40, 1376242), (56, 983030), (70, 786424), (80, 688121), (112, 491515), (140, 393212), (197, 279440), (280, 196606), (394, 139720), (499, 110320), (560, 98303), (788, 69860), (985, 55888), (998, 55160), (1379, 39920), (1576, 34930), (1970, 27944), (1996, 27580), (2495, 22064), (2758, 19960), (3152, 17465), (3493, 15760), (3940, 13972), (3992, 13790), (4990, 11032), (5516, 9980), (6895, 7984), (6986, 7880)]