39953168

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{28057}}^1$

素因数の和:28154

約数の個数: 20

約数和(自身を含む): 78281820

約数和(自身を除く): 38328652

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 28057, 56114, 112228, 224456, 448912, 2497073, 4994146, 9988292, 19976584, 39953168]

約数ペア:

[(1, 39953168), (2, 19976584), (4, 9988292), (8, 4994146), (16, 2497073), (89, 448912), (178, 224456), (356, 112228), (712, 56114), (1424, 28057)]