26880875

素因数分解:

$5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1044

約数の個数: 32

約数和(自身を含む): 39616512

約数和(自身を除く): 12735637

約数列:

[1, 5, 7, 25, 31, 35, 125, 155, 175, 217, 775, 875, 991, 1085, 3875, 4955, 5425, 6937, 24775, 27125, 30721, 34685, 123875, 153605, 173425, 215047, 768025, 867125, 1075235, 3840125, 5376175, 26880875]

約数ペア:

[(1, 26880875), (5, 5376175), (7, 3840125), (25, 1075235), (31, 867125), (35, 768025), (125, 215047), (155, 173425), (175, 153605), (217, 123875), (775, 34685), (875, 30721), (991, 27125), (1085, 24775), (3875, 6937), (4955, 5425)]