3077163640

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{390503}}^1$

素因数の和:390711

約数の個数: 32

約数和(自身を含む): 6958781280

約数和(自身を除く): 3881617640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 390503, 781006, 1562012, 1952515, 3124024, 3905030, 7810060, 15620120, 76929091, 153858182, 307716364, 384645455, 615432728, 769290910, 1538581820, 3077163640]

約数ペア:

[(1, 3077163640), (2, 1538581820), (4, 769290910), (5, 615432728), (8, 384645455), (10, 307716364), (20, 153858182), (40, 76929091), (197, 15620120), (394, 7810060), (788, 3905030), (985, 3124024), (1576, 1952515), (1970, 1562012), (3940, 781006), (7880, 390503)]