31021040

素因数分解:

$2^4\times 5^1\times {\mathrm{387763}}^1$

素因数の和:387776

約数の個数: 20

約数和(自身を含む): 72124104

約数和(自身を除く): 41103064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 387763, 775526, 1551052, 1938815, 3102104, 3877630, 6204208, 7755260, 15510520, 31021040]

約数ペア:

[(1, 31021040), (2, 15510520), (4, 7755260), (5, 6204208), (8, 3877630), (10, 3102104), (16, 1938815), (20, 1551052), (40, 775526), (80, 387763)]