80022100

素因数分解:

$2^2\times 5^2\times {\mathrm{800221}}^1$

素因数の和:800235

約数の個数: 18

約数和(自身を含む): 173648174

約数和(自身を除く): 93626074

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 800221, 1600442, 3200884, 4001105, 8002210, 16004420, 20005525, 40011050, 80022100]

約数ペア:

[(1, 80022100), (2, 40011050), (4, 20005525), (5, 16004420), (10, 8002210), (20, 4001105), (25, 3200884), (50, 1600442), (100, 800221)]