156900998180

素因数分解:

$2^2\times 5^1\times {\mathrm{7845049909}}^1$

素因数の和:7845049918

約数の個数: 12

約数和(自身を含む): 329492096220

約数和(自身を除く): 172591098040

約数列:

[1, 2, 4, 5, 10, 20, 7845049909, 15690099818, 31380199636, 39225249545, 78450499090, 156900998180]

約数ペア:

[(1, 156900998180), (2, 78450499090), (4, 39225249545), (5, 31380199636), (10, 15690099818), (20, 7845049909)]