808309160

素因数分解:

$2^3\times 5^1\times {\mathrm{20207729}}^1$

素因数の和:20207740

約数の個数: 16

約数和(自身を含む): 1818695700

約数和(自身を除く): 1010386540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 20207729, 40415458, 80830916, 101038645, 161661832, 202077290, 404154580, 808309160]

約数ペア:

[(1, 808309160), (2, 404154580), (4, 202077290), (5, 161661832), (8, 101038645), (10, 80830916), (20, 40415458), (40, 20207729)]