8438602280

素因数分解:

$2^3\times 5^1\times {\mathrm{210965057}}^1$

素因数の和:210965068

約数の個数: 16

約数和(自身を含む): 18986855220

約数和(自身を除く): 10548252940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 210965057, 421930114, 843860228, 1054825285, 1687720456, 2109650570, 4219301140, 8438602280]

約数ペア:

[(1, 8438602280), (2, 4219301140), (4, 2109650570), (5, 1687720456), (8, 1054825285), (10, 843860228), (20, 421930114), (40, 210965057)]