129112120

素因数分解:

$2^3\times 5^1\times {\mathrm{3227803}}^1$

素因数の和:3227814

約数の個数: 16

約数和(自身を含む): 290502360

約数和(自身を除く): 161390240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3227803, 6455606, 12911212, 16139015, 25822424, 32278030, 64556060, 129112120]

約数ペア:

[(1, 129112120), (2, 64556060), (4, 32278030), (5, 25822424), (8, 16139015), (10, 12911212), (20, 6455606), (40, 3227803)]