77900260

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{24809}}^1$

素因数の和:24975

約数の個数: 24

約数和(自身を含む): 164639160

約数和(自身を除く): 86738900

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 24809, 49618, 99236, 124045, 248090, 496180, 3895013, 7790026, 15580052, 19475065, 38950130, 77900260]

約数ペア:

[(1, 77900260), (2, 38950130), (4, 19475065), (5, 15580052), (10, 7790026), (20, 3895013), (157, 496180), (314, 248090), (628, 124045), (785, 99236), (1570, 49618), (3140, 24809)]