51605920

素因数分解:

$2^5\times 5^1\times {\mathrm{322537}}^1$

素因数の和:322552

約数の個数: 24

約数和(自身を含む): 121919364

約数和(自身を除く): 70313444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 322537, 645074, 1290148, 1612685, 2580296, 3225370, 5160592, 6450740, 10321184, 12901480, 25802960, 51605920]

約数ペア:

[(1, 51605920), (2, 25802960), (4, 12901480), (5, 10321184), (8, 6450740), (10, 5160592), (16, 3225370), (20, 2580296), (32, 1612685), (40, 1290148), (80, 645074), (160, 322537)]