2565040

素因数分解:

$2^4\times 5^1\times {\mathrm{32063}}^1$

素因数の和:32076

約数の個数: 20

約数和(自身を含む): 5963904

約数和(自身を除く): 3398864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 32063, 64126, 128252, 160315, 256504, 320630, 513008, 641260, 1282520, 2565040]

約数ペア:

[(1, 2565040), (2, 1282520), (4, 641260), (5, 513008), (8, 320630), (10, 256504), (16, 160315), (20, 128252), (40, 64126), (80, 32063)]