39789940

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{15187}}^1$

素因数の和:15327

約数の個数: 24

約数和(自身を含む): 84202272

約数和(自身を除く): 44412332

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 15187, 30374, 60748, 75935, 151870, 303740, 1989497, 3978994, 7957988, 9947485, 19894970, 39789940]

約数ペア:

[(1, 39789940), (2, 19894970), (4, 9947485), (5, 7957988), (10, 3978994), (20, 1989497), (131, 303740), (262, 151870), (524, 75935), (655, 60748), (1310, 30374), (2620, 15187)]