40219940

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{3187}}^1$

素因数の和:3827

約数の個数: 24

約数和(自身を含む): 84622272

約数和(自身を除く): 44402332

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 2524, 3155, 3187, 6310, 6374, 12620, 12748, 15935, 31870, 63740, 2010997, 4021994, 8043988, 10054985, 20109970, 40219940]

約数ペア:

[(1, 40219940), (2, 20109970), (4, 10054985), (5, 8043988), (10, 4021994), (20, 2010997), (631, 63740), (1262, 31870), (2524, 15935), (3155, 12748), (3187, 12620), (6310, 6374)]