40184320

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1427}}^1$

素因数の和:1461

約数の個数: 80

約数和(自身を含む): 105180768

約数和(自身を除く): 64996448

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 704, 880, 1280, 1408, 1427, 1760, 2560, 2816, 2854, 3520, 5632, 5708, 7040, 7135, 11416, 14080, 14270, 15697, 22832, 28160, 28540, 31394, 45664, 57080, 62788, 78485, 91328, 114160, 125576, 156970, 182656, 228320, 251152, 313940, 365312, 456640, 502304, 627880, 730624, 913280, 1004608, 1255760, 1826560, 2009216, 2511520, 3653120, 4018432, 5023040, 8036864, 10046080, 20092160, 40184320]

約数ペア:

[(1, 40184320), (2, 20092160), (4, 10046080), (5, 8036864), (8, 5023040), (10, 4018432), (11, 3653120), (16, 2511520), (20, 2009216), (22, 1826560), (32, 1255760), (40, 1004608), (44, 913280), (55, 730624), (64, 627880), (80, 502304), (88, 456640), (110, 365312), (128, 313940), (160, 251152), (176, 228320), (220, 182656), (256, 156970), (320, 125576), (352, 114160), (440, 91328), (512, 78485), (640, 62788), (704, 57080), (880, 45664), (1280, 31394), (1408, 28540), (1427, 28160), (1760, 22832), (2560, 15697), (2816, 14270), (2854, 14080), (3520, 11416), (5632, 7135), (5708, 7040)]