8045480

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1021}}^1$

素因数の和:1229

約数の個数: 32

約数和(自身を含む): 18212040

約数和(自身を除く): 10166560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1021, 1576, 1970, 2042, 3940, 4084, 5105, 7880, 8168, 10210, 20420, 40840, 201137, 402274, 804548, 1005685, 1609096, 2011370, 4022740, 8045480]

約数ペア:

[(1, 8045480), (2, 4022740), (4, 2011370), (5, 1609096), (8, 1005685), (10, 804548), (20, 402274), (40, 201137), (197, 40840), (394, 20420), (788, 10210), (985, 8168), (1021, 7880), (1576, 5105), (1970, 4084), (2042, 3940)]