199724240

素因数分解:

$2^4\times 5^1\times {\mathrm{2496553}}^1$

素因数の和:2496566

約数の個数: 20

約数和(自身を含む): 464359044

約数和(自身を除く): 264634804

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2496553, 4993106, 9986212, 12482765, 19972424, 24965530, 39944848, 49931060, 99862120, 199724240]

約数ペア:

[(1, 199724240), (2, 99862120), (4, 49931060), (5, 39944848), (8, 24965530), (10, 19972424), (16, 12482765), (20, 9986212), (40, 4993106), (80, 2496553)]