788132020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1061}}^1\times {\mathrm{2857}}^1$

素因数の和:3940

約数の個数: 48

約数和(自身を含む): 1784695248

約数和(自身を除く): 996563228

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1061, 2122, 2857, 4244, 5305, 5714, 10610, 11428, 13793, 14285, 21220, 27586, 28570, 37141, 55172, 57140, 68965, 74282, 137930, 148564, 185705, 275860, 371410, 742820, 3031277, 6062554, 12125108, 15156385, 30312770, 39406601, 60625540, 78813202, 157626404, 197033005, 394066010, 788132020]

約数ペア:

[(1, 788132020), (2, 394066010), (4, 197033005), (5, 157626404), (10, 78813202), (13, 60625540), (20, 39406601), (26, 30312770), (52, 15156385), (65, 12125108), (130, 6062554), (260, 3031277), (1061, 742820), (2122, 371410), (2857, 275860), (4244, 185705), (5305, 148564), (5714, 137930), (10610, 74282), (11428, 68965), (13793, 57140), (14285, 55172), (21220, 37141), (27586, 28570)]