67174220

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{4091}}^1$

素因数の和:4921

約数の個数: 24

約数和(自身を含む): 141272208

約数和(自身を除く): 74097988

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 3284, 4091, 4105, 8182, 8210, 16364, 16420, 20455, 40910, 81820, 3358711, 6717422, 13434844, 16793555, 33587110, 67174220]

約数ペア:

[(1, 67174220), (2, 33587110), (4, 16793555), (5, 13434844), (10, 6717422), (20, 3358711), (821, 81820), (1642, 40910), (3284, 20455), (4091, 16420), (4105, 16364), (8182, 8210)]