80497880

素因数分解:

$2^3\times 5^1\times {\mathrm{2012447}}^1$

素因数の和:2012458

約数の個数: 16

約数和(自身を含む): 181120320

約数和(自身を除く): 100622440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2012447, 4024894, 8049788, 10062235, 16099576, 20124470, 40248940, 80497880]

約数ペア:

[(1, 80497880), (2, 40248940), (4, 20124470), (5, 16099576), (8, 10062235), (10, 8049788), (20, 4024894), (40, 2012447)]