12885100

素因数分解:

$2^2\times 5^2\times {\mathrm{269}}^1\times {\mathrm{479}}^1$

素因数の和:762

約数の個数: 36

約数和(自身を含む): 28123200

約数和(自身を除く): 15238100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 269, 479, 538, 958, 1076, 1345, 1916, 2395, 2690, 4790, 5380, 6725, 9580, 11975, 13450, 23950, 26900, 47900, 128851, 257702, 515404, 644255, 1288510, 2577020, 3221275, 6442550, 12885100]

約数ペア:

[(1, 12885100), (2, 6442550), (4, 3221275), (5, 2577020), (10, 1288510), (20, 644255), (25, 515404), (50, 257702), (100, 128851), (269, 47900), (479, 26900), (538, 23950), (958, 13450), (1076, 11975), (1345, 9580), (1916, 6725), (2395, 5380), (2690, 4790)]