28005080

素因数分解:

$2^3\times 5^1\times {\mathrm{700127}}^1$

素因数の和:700138

約数の個数: 16

約数和(自身を含む): 63011520

約数和(自身を除く): 35006440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 700127, 1400254, 2800508, 3500635, 5601016, 7001270, 14002540, 28005080]

約数ペア:

[(1, 28005080), (2, 14002540), (4, 7001270), (5, 5601016), (8, 3500635), (10, 2800508), (20, 1400254), (40, 700127)]