12465940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{21493}}^1$

素因数の和:21531

約数の個数: 24

約数和(自身を含む): 27082440

約数和(自身を除く): 14616500

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 21493, 42986, 85972, 107465, 214930, 429860, 623297, 1246594, 2493188, 3116485, 6232970, 12465940]

約数ペア:

[(1, 12465940), (2, 6232970), (4, 3116485), (5, 2493188), (10, 1246594), (20, 623297), (29, 429860), (58, 214930), (116, 107465), (145, 85972), (290, 42986), (580, 21493)]