31368080

素因数分解:

$2^4\times 5^1\times {\mathrm{392101}}^1$

素因数の和:392114

約数の個数: 20

約数和(自身を含む): 72930972

約数和(自身を除く): 41562892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 392101, 784202, 1568404, 1960505, 3136808, 3921010, 6273616, 7842020, 15684040, 31368080]

約数ペア:

[(1, 31368080), (2, 15684040), (4, 7842020), (5, 6273616), (8, 3921010), (10, 3136808), (16, 1960505), (20, 1568404), (40, 784202), (80, 392101)]