25652560

素因数分解:

$2^4\times 5^1\times {\mathrm{320657}}^1$

素因数の和:320670

約数の個数: 20

約数和(自身を含む): 59642388

約数和(自身を除く): 33989828

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 320657, 641314, 1282628, 1603285, 2565256, 3206570, 5130512, 6413140, 12826280, 25652560]

約数ペア:

[(1, 25652560), (2, 12826280), (4, 6413140), (5, 5130512), (8, 3206570), (10, 2565256), (16, 1603285), (20, 1282628), (40, 641314), (80, 320657)]