26581040

素因数分解:

$2^4\times 5^1\times {\mathrm{332263}}^1$

素因数の和:332276

約数の個数: 20

約数和(自身を含む): 61801104

約数和(自身を除く): 35220064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 332263, 664526, 1329052, 1661315, 2658104, 3322630, 5316208, 6645260, 13290520, 26581040]

約数ペア:

[(1, 26581040), (2, 13290520), (4, 6645260), (5, 5316208), (8, 3322630), (10, 2658104), (16, 1661315), (20, 1329052), (40, 664526), (80, 332263)]