19525120

素因数分解:

$2^9\times 5^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1$

素因数の和:315

約数の個数: 80

約数和(自身を含む): 48612960

約数和(自身を除く): 29087840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 263, 290, 320, 464, 512, 526, 580, 640, 928, 1052, 1160, 1280, 1315, 1856, 2104, 2320, 2560, 2630, 3712, 4208, 4640, 5260, 7424, 7627, 8416, 9280, 10520, 14848, 15254, 16832, 18560, 21040, 30508, 33664, 37120, 38135, 42080, 61016, 67328, 74240, 76270, 84160, 122032, 134656, 152540, 168320, 244064, 305080, 336640, 488128, 610160, 673280, 976256, 1220320, 1952512, 2440640, 3905024, 4881280, 9762560, 19525120]

約数ペア:

[(1, 19525120), (2, 9762560), (4, 4881280), (5, 3905024), (8, 2440640), (10, 1952512), (16, 1220320), (20, 976256), (29, 673280), (32, 610160), (40, 488128), (58, 336640), (64, 305080), (80, 244064), (116, 168320), (128, 152540), (145, 134656), (160, 122032), (232, 84160), (256, 76270), (263, 74240), (290, 67328), (320, 61016), (464, 42080), (512, 38135), (526, 37120), (580, 33664), (640, 30508), (928, 21040), (1052, 18560), (1160, 16832), (1280, 15254), (1315, 14848), (1856, 10520), (2104, 9280), (2320, 8416), (2560, 7627), (2630, 7424), (3712, 5260), (4208, 4640)]