87118340

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{16193}}^1$

素因数の和:16471

約数の個数: 24

約数和(自身を含む): 183639960

約数和(自身を除く): 96521620

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 5380, 16193, 32386, 64772, 80965, 161930, 323860, 4355917, 8711834, 17423668, 21779585, 43559170, 87118340]

約数ペア:

[(1, 87118340), (2, 43559170), (4, 21779585), (5, 17423668), (10, 8711834), (20, 4355917), (269, 323860), (538, 161930), (1076, 80965), (1345, 64772), (2690, 32386), (5380, 16193)]