2488890160

素因数分解:

$2^4\times 5^1\times {\mathrm{31111127}}^1$

素因数の和:31111140

約数の個数: 20

約数和(自身を含む): 5786669808

約数和(自身を除く): 3297779648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 31111127, 62222254, 124444508, 155555635, 248889016, 311111270, 497778032, 622222540, 1244445080, 2488890160]

約数ペア:

[(1, 2488890160), (2, 1244445080), (4, 622222540), (5, 497778032), (8, 311111270), (10, 248889016), (16, 155555635), (20, 124444508), (40, 62222254), (80, 31111127)]