169508440

素因数分解:

$2^3\times 5^1\times {\mathrm{1097}}^1\times {\mathrm{3863}}^1$

素因数の和:4971

約数の個数: 32

約数和(自身を含む): 381840480

約数和(自身を除く): 212332040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1097, 2194, 3863, 4388, 5485, 7726, 8776, 10970, 15452, 19315, 21940, 30904, 38630, 43880, 77260, 154520, 4237711, 8475422, 16950844, 21188555, 33901688, 42377110, 84754220, 169508440]

約数ペア:

[(1, 169508440), (2, 84754220), (4, 42377110), (5, 33901688), (8, 21188555), (10, 16950844), (20, 8475422), (40, 4237711), (1097, 154520), (2194, 77260), (3863, 43880), (4388, 38630), (5485, 30904), (7726, 21940), (8776, 19315), (10970, 15452)]