12541940

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{4787}}^1$

素因数の和:4927

約数の個数: 24

約数和(自身を含む): 26544672

約数和(自身を除く): 14002732

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 4787, 9574, 19148, 23935, 47870, 95740, 627097, 1254194, 2508388, 3135485, 6270970, 12541940]

約数ペア:

[(1, 12541940), (2, 6270970), (4, 3135485), (5, 2508388), (10, 1254194), (20, 627097), (131, 95740), (262, 47870), (524, 23935), (655, 19148), (1310, 9574), (2620, 4787)]