80368640

素因数分解:

$2^{10}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1427}}^1$

素因数の和:1463

約数の個数: 88

約数和(自身を含む): 210464352

約数和(自身を除く): 130095712

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, 1024, 1280, 1408, 1427, 1760, 2560, 2816, 2854, 3520, 5120, 5632, 5708, 7040, 7135, 11264, 11416, 14080, 14270, 15697, 22832, 28160, 28540, 31394, 45664, 56320, 57080, 62788, 78485, 91328, 114160, 125576, 156970, 182656, 228320, 251152, 313940, 365312, 456640, 502304, 627880, 730624, 913280, 1004608, 1255760, 1461248, 1826560, 2009216, 2511520, 3653120, 4018432, 5023040, 7306240, 8036864, 10046080, 16073728, 20092160, 40184320, 80368640]

約数ペア:

[(1, 80368640), (2, 40184320), (4, 20092160), (5, 16073728), (8, 10046080), (10, 8036864), (11, 7306240), (16, 5023040), (20, 4018432), (22, 3653120), (32, 2511520), (40, 2009216), (44, 1826560), (55, 1461248), (64, 1255760), (80, 1004608), (88, 913280), (110, 730624), (128, 627880), (160, 502304), (176, 456640), (220, 365312), (256, 313940), (320, 251152), (352, 228320), (440, 182656), (512, 156970), (640, 125576), (704, 114160), (880, 91328), (1024, 78485), (1280, 62788), (1408, 57080), (1427, 56320), (1760, 45664), (2560, 31394), (2816, 28540), (2854, 28160), (3520, 22832), (5120, 15697), (5632, 14270), (5708, 14080), (7040, 11416), (7135, 11264)]