129080360

素因数分解:

$2^3\times 5^1\times {\mathrm{3227009}}^1$

素因数の和:3227020

約数の個数: 16

約数和(自身を含む): 290430900

約数和(自身を除く): 161350540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3227009, 6454018, 12908036, 16135045, 25816072, 32270090, 64540180, 129080360]

約数ペア:

[(1, 129080360), (2, 64540180), (4, 32270090), (5, 25816072), (8, 16135045), (10, 12908036), (20, 6454018), (40, 3227009)]