8869160

素因数分解:

$2^3\times 5^1\times {\mathrm{221729}}^1$

素因数の和:221740

約数の個数: 16

約数和(自身を含む): 19955700

約数和(自身を除く): 11086540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 221729, 443458, 886916, 1108645, 1773832, 2217290, 4434580, 8869160]

約数ペア:

[(1, 8869160), (2, 4434580), (4, 2217290), (5, 1773832), (8, 1108645), (10, 886916), (20, 443458), (40, 221729)]