99992120

素因数分解:

$2^3\times 5^1\times {\mathrm{2499803}}^1$

素因数の和:2499814

約数の個数: 16

約数和(自身を含む): 224982360

約数和(自身を除く): 124990240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2499803, 4999606, 9999212, 12499015, 19998424, 24998030, 49996060, 99992120]

約数ペア:

[(1, 99992120), (2, 49996060), (4, 24998030), (5, 19998424), (8, 12499015), (10, 9999212), (20, 4999606), (40, 2499803)]