256162160

素因数分解:

$2^4\times 5^1\times {\mathrm{3202027}}^1$

素因数の和:3202040

約数の個数: 20

約数和(自身を含む): 595577208

約数和(自身を除く): 339415048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3202027, 6404054, 12808108, 16010135, 25616216, 32020270, 51232432, 64040540, 128081080, 256162160]

約数ペア:

[(1, 256162160), (2, 128081080), (4, 64040540), (5, 51232432), (8, 32020270), (10, 25616216), (16, 16010135), (20, 12808108), (40, 6404054), (80, 3202027)]