26584280

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{2137}}^1$

素因数の和:2459

約数の個数: 32

約数和(自身を含む): 60035040

約数和(自身を除く): 33450760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2137, 2488, 3110, 4274, 6220, 8548, 10685, 12440, 17096, 21370, 42740, 85480, 664607, 1329214, 2658428, 3323035, 5316856, 6646070, 13292140, 26584280]

約数ペア:

[(1, 26584280), (2, 13292140), (4, 6646070), (5, 5316856), (8, 3323035), (10, 2658428), (20, 1329214), (40, 664607), (311, 85480), (622, 42740), (1244, 21370), (1555, 17096), (2137, 12440), (2488, 10685), (3110, 8548), (4274, 6220)]