13621040

素因数分解:

$2^4\times 5^1\times {\mathrm{170263}}^1$

素因数の和:170276

約数の個数: 20

約数和(自身を含む): 31669104

約数和(自身を除く): 18048064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 170263, 340526, 681052, 851315, 1362104, 1702630, 2724208, 3405260, 6810520, 13621040]

約数ペア:

[(1, 13621040), (2, 6810520), (4, 3405260), (5, 2724208), (8, 1702630), (10, 1362104), (16, 851315), (20, 681052), (40, 340526), (80, 170263)]