69681680

素因数分解:

$2^4\times 5^1\times {\mathrm{871021}}^1$

素因数の和:871034

約数の個数: 20

約数和(自身を含む): 162010092

約数和(自身を除く): 92328412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 871021, 1742042, 3484084, 4355105, 6968168, 8710210, 13936336, 17420420, 34840840, 69681680]

約数ペア:

[(1, 69681680), (2, 34840840), (4, 17420420), (5, 13936336), (8, 8710210), (10, 6968168), (16, 4355105), (20, 3484084), (40, 1742042), (80, 871021)]