26644000

素因数分解:

$2^5\times 5^3\times {\mathrm{6661}}^1$

素因数の和:6686

約数の個数: 48

約数和(自身を含む): 65474136

約数和(自身を除く): 38830136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 6661, 13322, 26644, 33305, 53288, 66610, 106576, 133220, 166525, 213152, 266440, 333050, 532880, 666100, 832625, 1065760, 1332200, 1665250, 2664400, 3330500, 5328800, 6661000, 13322000, 26644000]

約数ペア:

[(1, 26644000), (2, 13322000), (4, 6661000), (5, 5328800), (8, 3330500), (10, 2664400), (16, 1665250), (20, 1332200), (25, 1065760), (32, 832625), (40, 666100), (50, 532880), (80, 333050), (100, 266440), (125, 213152), (160, 166525), (200, 133220), (250, 106576), (400, 66610), (500, 53288), (800, 33305), (1000, 26644), (2000, 13322), (4000, 6661)]