129188120

素因数分解:

$2^3\times 5^1\times {\mathrm{3229703}}^1$

素因数の和:3229714

約数の個数: 16

約数和(自身を含む): 290673360

約数和(自身を除く): 161485240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3229703, 6459406, 12918812, 16148515, 25837624, 32297030, 64594060, 129188120]

約数ペア:

[(1, 129188120), (2, 64594060), (4, 32297030), (5, 25837624), (8, 16148515), (10, 12918812), (20, 6459406), (40, 3229703)]