161749160

素因数分解:

$2^3\times 5^1\times {\mathrm{4043729}}^1$

素因数の和:4043740

約数の個数: 16

約数和(自身を含む): 363935700

約数和(自身を除く): 202186540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4043729, 8087458, 16174916, 20218645, 32349832, 40437290, 80874580, 161749160]

約数ペア:

[(1, 161749160), (2, 80874580), (4, 40437290), (5, 32349832), (8, 20218645), (10, 16174916), (20, 8087458), (40, 4043729)]