3994960

素因数分解:

$2^4\times 5^1\times {\mathrm{49937}}^1$

素因数の和:49950

約数の個数: 20

約数和(自身を含む): 9288468

約数和(自身を除く): 5293508

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 49937, 99874, 199748, 249685, 399496, 499370, 798992, 998740, 1997480, 3994960]

約数ペア:

[(1, 3994960), (2, 1997480), (4, 998740), (5, 798992), (8, 499370), (10, 399496), (16, 249685), (20, 199748), (40, 99874), (80, 49937)]