206810840

素因数分解:

$2^3\times 5^1\times {\mathrm{5170271}}^1$

素因数の和:5170282

約数の個数: 16

約数和(自身を含む): 465324480

約数和(自身を除く): 258513640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5170271, 10340542, 20681084, 25851355, 41362168, 51702710, 103405420, 206810840]

約数ペア:

[(1, 206810840), (2, 103405420), (4, 51702710), (5, 41362168), (8, 25851355), (10, 20681084), (20, 10340542), (40, 5170271)]