9813040

素因数分解:

$2^4\times 5^1\times {\mathrm{122663}}^1$

素因数の和:122676

約数の個数: 20

約数和(自身を含む): 22815504

約数和(自身を除く): 13002464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 122663, 245326, 490652, 613315, 981304, 1226630, 1962608, 2453260, 4906520, 9813040]

約数ペア:

[(1, 9813040), (2, 4906520), (4, 2453260), (5, 1962608), (8, 1226630), (10, 981304), (16, 613315), (20, 490652), (40, 245326), (80, 122663)]