26746280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{683}}^1$

素因数の和:794

約数の個数: 64

約数和(自身を含む): 66484800

約数和(自身を除く): 39738520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 356, 440, 445, 683, 712, 890, 979, 1366, 1780, 1958, 2732, 3415, 3560, 3916, 4895, 5464, 6830, 7513, 7832, 9790, 13660, 15026, 19580, 27320, 30052, 37565, 39160, 60104, 60787, 75130, 121574, 150260, 243148, 300520, 303935, 486296, 607870, 668657, 1215740, 1337314, 2431480, 2674628, 3343285, 5349256, 6686570, 13373140, 26746280]

約数ペア:

[(1, 26746280), (2, 13373140), (4, 6686570), (5, 5349256), (8, 3343285), (10, 2674628), (11, 2431480), (20, 1337314), (22, 1215740), (40, 668657), (44, 607870), (55, 486296), (88, 303935), (89, 300520), (110, 243148), (178, 150260), (220, 121574), (356, 75130), (440, 60787), (445, 60104), (683, 39160), (712, 37565), (890, 30052), (979, 27320), (1366, 19580), (1780, 15026), (1958, 13660), (2732, 9790), (3415, 7832), (3560, 7513), (3916, 6830), (4895, 5464)]