85857680

素因数分解:

$2^4\times 5^1\times {\mathrm{1073221}}^1$

素因数の和:1073234

約数の個数: 20

約数和(自身を含む): 199619292

約数和(自身を除く): 113761612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1073221, 2146442, 4292884, 5366105, 8585768, 10732210, 17171536, 21464420, 42928840, 85857680]

約数ペア:

[(1, 85857680), (2, 42928840), (4, 21464420), (5, 17171536), (8, 10732210), (10, 8585768), (16, 5366105), (20, 4292884), (40, 2146442), (80, 1073221)]