80229560

素因数分解:

$2^3\times 5^1\times {\mathrm{2005739}}^1$

素因数の和:2005750

約数の個数: 16

約数和(自身を含む): 180516600

約数和(自身を除く): 100287040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2005739, 4011478, 8022956, 10028695, 16045912, 20057390, 40114780, 80229560]

約数ペア:

[(1, 80229560), (2, 40114780), (4, 20057390), (5, 16045912), (8, 10028695), (10, 8022956), (20, 4011478), (40, 2005739)]