198802280

素因数分解:

$2^3\times 5^1\times {\mathrm{4970057}}^1$

素因数の和:4970068

約数の個数: 16

約数和(自身を含む): 447305220

約数和(自身を除く): 248502940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4970057, 9940114, 19880228, 24850285, 39760456, 49700570, 99401140, 198802280]

約数ペア:

[(1, 198802280), (2, 99401140), (4, 49700570), (5, 39760456), (8, 24850285), (10, 19880228), (20, 9940114), (40, 4970057)]