12920340190

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{16354861}}^1$

素因数の和:16354947

約数の個数: 16

約数和(自身を含む): 23551001280

約数和(自身を除く): 10630661090

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 16354861, 32709722, 81774305, 163548610, 1292034019, 2584068038, 6460170095, 12920340190]

約数ペア:

[(1, 12920340190), (2, 6460170095), (5, 2584068038), (10, 1292034019), (79, 163548610), (158, 81774305), (395, 32709722), (790, 16354861)]