216942280

素因数分解:

$2^3\times 5^1\times {\mathrm{5423557}}^1$

素因数の和:5423568

約数の個数: 16

約数和(自身を含む): 488120220

約数和(自身を除く): 271177940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5423557, 10847114, 21694228, 27117785, 43388456, 54235570, 108471140, 216942280]

約数ペア:

[(1, 216942280), (2, 108471140), (4, 54235570), (5, 43388456), (8, 27117785), (10, 21694228), (20, 10847114), (40, 5423557)]