87892190

素因数分解:

$2^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{20021}}^1$

素因数の和:20467

約数の個数: 16

約数和(自身を含む): 158574240

約数和(自身を除く): 70682050

約数列:

[1, 2, 5, 10, 439, 878, 2195, 4390, 20021, 40042, 100105, 200210, 8789219, 17578438, 43946095, 87892190]

約数ペア:

[(1, 87892190), (2, 43946095), (5, 17578438), (10, 8789219), (439, 200210), (878, 100105), (2195, 40042), (4390, 20021)]