128528300

素因数分解:

$2^2\times 5^2\times {\mathrm{1285283}}^1$

素因数の和:1285297

約数の個数: 18

約数和(自身を含む): 278906628

約数和(自身を除く): 150378328

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1285283, 2570566, 5141132, 6426415, 12852830, 25705660, 32132075, 64264150, 128528300]

約数ペア:

[(1, 128528300), (2, 64264150), (4, 32132075), (5, 25705660), (10, 12852830), (20, 6426415), (25, 5141132), (50, 2570566), (100, 1285283)]