128512060

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{23887}}^1$

素因数の和:24165

約数の個数: 24

約数和(自身を含む): 270889920

約数和(自身を除く): 142377860

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 5380, 23887, 47774, 95548, 119435, 238870, 477740, 6425603, 12851206, 25702412, 32128015, 64256030, 128512060]

約数ペア:

[(1, 128512060), (2, 64256030), (4, 32128015), (5, 25702412), (10, 12851206), (20, 6425603), (269, 477740), (538, 238870), (1076, 119435), (1345, 95548), (2690, 47774), (5380, 23887)]