142724840

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{13567}}^1$

素因数の和:13841

約数の個数: 32

約数和(自身を含む): 322375680

約数和(自身を除く): 179650840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 10520, 13567, 27134, 54268, 67835, 108536, 135670, 271340, 542680, 3568121, 7136242, 14272484, 17840605, 28544968, 35681210, 71362420, 142724840]

約数ペア:

[(1, 142724840), (2, 71362420), (4, 35681210), (5, 28544968), (8, 17840605), (10, 14272484), (20, 7136242), (40, 3568121), (263, 542680), (526, 271340), (1052, 135670), (1315, 108536), (2104, 67835), (2630, 54268), (5260, 27134), (10520, 13567)]