72205940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{124493}}^1$

素因数の和:124531

約数の個数: 24

約数和(自身を含む): 156862440

約数和(自身を除く): 84656500

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 124493, 248986, 497972, 622465, 1244930, 2489860, 3610297, 7220594, 14441188, 18051485, 36102970, 72205940]

約数ペア:

[(1, 72205940), (2, 36102970), (4, 18051485), (5, 14441188), (10, 7220594), (20, 3610297), (29, 2489860), (58, 1244930), (116, 622465), (145, 497972), (290, 248986), (580, 124493)]