981040

素因数分解:

$2^4\times 5^1\times {\mathrm{12263}}^1$

素因数の和:12276

約数の個数: 20

約数和(自身を含む): 2281104

約数和(自身を除く): 1300064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 12263, 24526, 49052, 61315, 98104, 122630, 196208, 245260, 490520, 981040]

約数ペア:

[(1, 981040), (2, 490520), (4, 245260), (5, 196208), (8, 122630), (10, 98104), (16, 61315), (20, 49052), (40, 24526), (80, 12263)]