200818160

素因数分解:

$2^4\times 5^1\times {\mathrm{2510227}}^1$

素因数の和:2510240

約数の個数: 20

約数和(自身を含む): 466902408

約数和(自身を除く): 266084248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2510227, 5020454, 10040908, 12551135, 20081816, 25102270, 40163632, 50204540, 100409080, 200818160]

約数ペア:

[(1, 200818160), (2, 100409080), (4, 50204540), (5, 40163632), (8, 25102270), (10, 20081816), (16, 12551135), (20, 10040908), (40, 5020454), (80, 2510227)]