9956120

素因数分解:

$2^3\times 5^1\times {\mathrm{248903}}^1$

素因数の和:248914

約数の個数: 16

約数和(自身を含む): 22401360

約数和(自身を除く): 12445240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 248903, 497806, 995612, 1244515, 1991224, 2489030, 4978060, 9956120]

約数ペア:

[(1, 9956120), (2, 4978060), (4, 2489030), (5, 1991224), (8, 1244515), (10, 995612), (20, 497806), (40, 248903)]