31489940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{54293}}^1$

素因数の和:54331

約数の個数: 24

約数和(自身を含む): 68410440

約数和(自身を除く): 36920500

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 54293, 108586, 217172, 271465, 542930, 1085860, 1574497, 3148994, 6297988, 7872485, 15744970, 31489940]

約数ペア:

[(1, 31489940), (2, 15744970), (4, 7872485), (5, 6297988), (10, 3148994), (20, 1574497), (29, 1085860), (58, 542930), (116, 271465), (145, 217172), (290, 108586), (580, 54293)]