340364560

素因数分解:

$2^4\times 5^1\times {\mathrm{4254557}}^1$

素因数の和:4254570

約数の個数: 20

約数和(自身を含む): 791347788

約数和(自身を除く): 450983228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4254557, 8509114, 17018228, 21272785, 34036456, 42545570, 68072912, 85091140, 170182280, 340364560]

約数ペア:

[(1, 340364560), (2, 170182280), (4, 85091140), (5, 68072912), (8, 42545570), (10, 34036456), (16, 21272785), (20, 17018228), (40, 8509114), (80, 4254557)]