809364340

素因数分解:

$2^2\times 5^1\times {\mathrm{2267}}^1\times {\mathrm{17851}}^1$

素因数の和:20127

約数の個数: 24

約数和(自身を含む): 1700510112

約数和(自身を除く): 891145772

約数列:

[1, 2, 4, 5, 10, 20, 2267, 4534, 9068, 11335, 17851, 22670, 35702, 45340, 71404, 89255, 178510, 357020, 40468217, 80936434, 161872868, 202341085, 404682170, 809364340]

約数ペア:

[(1, 809364340), (2, 404682170), (4, 202341085), (5, 161872868), (10, 80936434), (20, 40468217), (2267, 357020), (4534, 178510), (9068, 89255), (11335, 71404), (17851, 45340), (22670, 35702)]