255117040

素因数分解:

$2^4\times 5^1\times {\mathrm{3188963}}^1$

素因数の和:3188976

約数の個数: 20

約数和(自身を含む): 593147304

約数和(自身を除く): 338030264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3188963, 6377926, 12755852, 15944815, 25511704, 31889630, 51023408, 63779260, 127558520, 255117040]

約数ペア:

[(1, 255117040), (2, 127558520), (4, 63779260), (5, 51023408), (8, 31889630), (10, 25511704), (16, 15944815), (20, 12755852), (40, 6377926), (80, 3188963)]