445040

素因数分解:

$2^4\times 5^1\times {\mathrm{5563}}^1$

素因数の和:5576

約数の個数: 20

約数和(自身を含む): 1034904

約数和(自身を除く): 589864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5563, 11126, 22252, 27815, 44504, 55630, 89008, 111260, 222520, 445040]

約数ペア:

[(1, 445040), (2, 222520), (4, 111260), (5, 89008), (8, 55630), (10, 44504), (16, 27815), (20, 22252), (40, 11126), (80, 5563)]