39895120

素因数分解:

$2^4\times 5^1\times {\mathrm{498689}}^1$

素因数の和:498702

約数の個数: 20

約数和(自身を含む): 92756340

約数和(自身を除く): 52861220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 498689, 997378, 1994756, 2493445, 3989512, 4986890, 7979024, 9973780, 19947560, 39895120]

約数ペア:

[(1, 39895120), (2, 19947560), (4, 9973780), (5, 7979024), (8, 4986890), (10, 3989512), (16, 2493445), (20, 1994756), (40, 997378), (80, 498689)]