7642780

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1453}}^1$

素因数の和:1725

約数の個数: 24

約数和(自身を含む): 16121952

約数和(自身を除く): 8479172

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 1453, 2630, 2906, 5260, 5812, 7265, 14530, 29060, 382139, 764278, 1528556, 1910695, 3821390, 7642780]

約数ペア:

[(1, 7642780), (2, 3821390), (4, 1910695), (5, 1528556), (10, 764278), (20, 382139), (263, 29060), (526, 14530), (1052, 7265), (1315, 5812), (1453, 5260), (2630, 2906)]