16129240

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1499}}^1$

素因数の和:1779

約数の個数: 32

約数和(自身を含む): 36450000

約数和(自身を除く): 20320760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 1499, 2152, 2690, 2998, 5380, 5996, 7495, 10760, 11992, 14990, 29980, 59960, 403231, 806462, 1612924, 2016155, 3225848, 4032310, 8064620, 16129240]

約数ペア:

[(1, 16129240), (2, 8064620), (4, 4032310), (5, 3225848), (8, 2016155), (10, 1612924), (20, 806462), (40, 403231), (269, 59960), (538, 29980), (1076, 14990), (1345, 11992), (1499, 10760), (2152, 7495), (2690, 5996), (2998, 5380)]