165890204080

素因数分解:

$2^4\times 5^1\times {\mathrm{2073627551}}^1$

素因数の和:2073627564

約数の個数: 20

約数和(自身を含む): 385694724672

約数和(自身を除く): 219804520592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2073627551, 4147255102, 8294510204, 10368137755, 16589020408, 20736275510, 33178040816, 41472551020, 82945102040, 165890204080]

約数ペア:

[(1, 165890204080), (2, 82945102040), (4, 41472551020), (5, 33178040816), (8, 20736275510), (10, 16589020408), (16, 10368137755), (20, 8294510204), (40, 4147255102), (80, 2073627551)]