85558840

素因数分解:

$2^3\times 5^1\times {\mathrm{2138971}}^1$

素因数の和:2138982

約数の個数: 16

約数和(自身を含む): 192507480

約数和(自身を除く): 106948640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2138971, 4277942, 8555884, 10694855, 17111768, 21389710, 42779420, 85558840]

約数ペア:

[(1, 85558840), (2, 42779420), (4, 21389710), (5, 17111768), (8, 10694855), (10, 8555884), (20, 4277942), (40, 2138971)]