129609580

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{24091}}^1$

素因数の和:24369

約数の個数: 24

約数和(自身を含む): 273203280

約数和(自身を除く): 143593700

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 5380, 24091, 48182, 96364, 120455, 240910, 481820, 6480479, 12960958, 25921916, 32402395, 64804790, 129609580]

約数ペア:

[(1, 129609580), (2, 64804790), (4, 32402395), (5, 25921916), (10, 12960958), (20, 6480479), (269, 481820), (538, 240910), (1076, 120455), (1345, 96364), (2690, 48182), (5380, 24091)]