55982780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{4493}}^1$

素因数の和:4598

約数の個数: 48

約数和(自身を含む): 135898560

約数和(自身を除く): 79915780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 4493, 6230, 8986, 12460, 17972, 22465, 31451, 44930, 62902, 89860, 125804, 157255, 314510, 399877, 629020, 799754, 1599508, 1999385, 2799139, 3998770, 5598278, 7997540, 11196556, 13995695, 27991390, 55982780]

約数ペア:

[(1, 55982780), (2, 27991390), (4, 13995695), (5, 11196556), (7, 7997540), (10, 5598278), (14, 3998770), (20, 2799139), (28, 1999385), (35, 1599508), (70, 799754), (89, 629020), (140, 399877), (178, 314510), (356, 157255), (445, 125804), (623, 89860), (890, 62902), (1246, 44930), (1780, 31451), (2492, 22465), (3115, 17972), (4493, 12460), (6230, 8986)]