40306540

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{4787}}^1$

素因数の和:5217

約数の個数: 24

約数和(自身を含む): 84862512

約数和(自身を除く): 44555972

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 4787, 8420, 9574, 19148, 23935, 47870, 95740, 2015327, 4030654, 8061308, 10076635, 20153270, 40306540]

約数ペア:

[(1, 40306540), (2, 20153270), (4, 10076635), (5, 8061308), (10, 4030654), (20, 2015327), (421, 95740), (842, 47870), (1684, 23935), (2105, 19148), (4210, 9574), (4787, 8420)]