27881560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{99577}}^1$

素因数の和:99595

約数の個数: 32

約数和(自身を含む): 71696160

約数和(自身を除く): 43814600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 99577, 199154, 398308, 497885, 697039, 796616, 995770, 1394078, 1991540, 2788156, 3485195, 3983080, 5576312, 6970390, 13940780, 27881560]

約数ペア:

[(1, 27881560), (2, 13940780), (4, 6970390), (5, 5576312), (7, 3983080), (8, 3485195), (10, 2788156), (14, 1991540), (20, 1394078), (28, 995770), (35, 796616), (40, 697039), (56, 497885), (70, 398308), (140, 199154), (280, 99577)]