13321036780

素因数分解:

$2^2\times 5^1\times {\mathrm{666051839}}^1$

素因数の和:666051848

約数の個数: 12

約数和(自身を含む): 27974177280

約数和(自身を除く): 14653140500

約数列:

[1, 2, 4, 5, 10, 20, 666051839, 1332103678, 2664207356, 3330259195, 6660518390, 13321036780]

約数ペア:

[(1, 13321036780), (2, 6660518390), (4, 3330259195), (5, 2664207356), (10, 1332103678), (20, 666051839)]