7840880

素因数分解:

$2^4\times 5^1\times {\mathrm{98011}}^1$

素因数の和:98024

約数の個数: 20

約数和(自身を含む): 18230232

約数和(自身を除く): 10389352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 98011, 196022, 392044, 490055, 784088, 980110, 1568176, 1960220, 3920440, 7840880]

約数ペア:

[(1, 7840880), (2, 3920440), (4, 1960220), (5, 1568176), (8, 980110), (10, 784088), (16, 490055), (20, 392044), (40, 196022), (80, 98011)]