168171880

素因数分解:

$2^3\times 5^1\times {\mathrm{2003}}^1\times {\mathrm{2099}}^1$

素因数の和:4113

約数の個数: 32

約数和(自身を含む): 378756000

約数和(自身を除く): 210584120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2003, 2099, 4006, 4198, 8012, 8396, 10015, 10495, 16024, 16792, 20030, 20990, 40060, 41980, 80120, 83960, 4204297, 8408594, 16817188, 21021485, 33634376, 42042970, 84085940, 168171880]

約数ペア:

[(1, 168171880), (2, 84085940), (4, 42042970), (5, 33634376), (8, 21021485), (10, 16817188), (20, 8408594), (40, 4204297), (2003, 83960), (2099, 80120), (4006, 41980), (4198, 40060), (8012, 20990), (8396, 20030), (10015, 16792), (10495, 16024)]