28497820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2549}}^1$

素因数の和:2614

約数の個数: 48

約数和(自身を含む): 65973600

約数和(自身を除く): 37475780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2549, 2795, 5098, 5590, 10196, 11180, 12745, 25490, 33137, 50980, 66274, 109607, 132548, 165685, 219214, 331370, 438428, 548035, 662740, 1096070, 1424891, 2192140, 2849782, 5699564, 7124455, 14248910, 28497820]

約数ペア:

[(1, 28497820), (2, 14248910), (4, 7124455), (5, 5699564), (10, 2849782), (13, 2192140), (20, 1424891), (26, 1096070), (43, 662740), (52, 548035), (65, 438428), (86, 331370), (130, 219214), (172, 165685), (215, 132548), (260, 109607), (430, 66274), (559, 50980), (860, 33137), (1118, 25490), (2236, 12745), (2549, 11180), (2795, 10196), (5098, 5590)]