8390375920

素因数分解:

$2^4\times 5^1\times {\mathrm{104879699}}^1$

素因数の和:104879712

約数の個数: 20

約数和(自身を含む): 19507624200

約数和(自身を除く): 11117248280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 104879699, 209759398, 419518796, 524398495, 839037592, 1048796990, 1678075184, 2097593980, 4195187960, 8390375920]

約数ペア:

[(1, 8390375920), (2, 4195187960), (4, 2097593980), (5, 1678075184), (8, 1048796990), (10, 839037592), (16, 524398495), (20, 419518796), (40, 209759398), (80, 104879699)]