167984204560

素因数分解:

$2^4\times 5^1\times {\mathrm{2099802557}}^1$

素因数の和:2099802570

約数の個数: 20

約数和(自身を含む): 390563275788

約数和(自身を除く): 222579071228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2099802557, 4199605114, 8399210228, 10499012785, 16798420456, 20998025570, 33596840912, 41996051140, 83992102280, 167984204560]

約数ペア:

[(1, 167984204560), (2, 83992102280), (4, 41996051140), (5, 33596840912), (8, 20998025570), (10, 16798420456), (16, 10499012785), (20, 8399210228), (40, 4199605114), (80, 2099802557)]