25653520

素因数分解:

$2^4\times 5^1\times {\mathrm{320669}}^1$

素因数の和:320682

約数の個数: 20

約数和(自身を含む): 59644620

約数和(自身を除く): 33991100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 320669, 641338, 1282676, 1603345, 2565352, 3206690, 5130704, 6413380, 12826760, 25653520]

約数ペア:

[(1, 25653520), (2, 12826760), (4, 6413380), (5, 5130704), (8, 3206690), (10, 2565352), (16, 1603345), (20, 1282676), (40, 641338), (80, 320669)]