25456640

素因数分解:

$2^{12}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1$

素因数の和:153

約数の個数: 104

約数和(自身を含む): 67231728

約数和(自身を除く): 41775088

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 113, 128, 160, 176, 220, 226, 256, 320, 352, 440, 452, 512, 565, 640, 704, 880, 904, 1024, 1130, 1243, 1280, 1408, 1760, 1808, 2048, 2260, 2486, 2560, 2816, 3520, 3616, 4096, 4520, 4972, 5120, 5632, 6215, 7040, 7232, 9040, 9944, 10240, 11264, 12430, 14080, 14464, 18080, 19888, 20480, 22528, 24860, 28160, 28928, 36160, 39776, 45056, 49720, 56320, 57856, 72320, 79552, 99440, 112640, 115712, 144640, 159104, 198880, 225280, 231424, 289280, 318208, 397760, 462848, 578560, 636416, 795520, 1157120, 1272832, 1591040, 2314240, 2545664, 3182080, 5091328, 6364160, 12728320, 25456640]

約数ペア:

[(1, 25456640), (2, 12728320), (4, 6364160), (5, 5091328), (8, 3182080), (10, 2545664), (11, 2314240), (16, 1591040), (20, 1272832), (22, 1157120), (32, 795520), (40, 636416), (44, 578560), (55, 462848), (64, 397760), (80, 318208), (88, 289280), (110, 231424), (113, 225280), (128, 198880), (160, 159104), (176, 144640), (220, 115712), (226, 112640), (256, 99440), (320, 79552), (352, 72320), (440, 57856), (452, 56320), (512, 49720), (565, 45056), (640, 39776), (704, 36160), (880, 28928), (904, 28160), (1024, 24860), (1130, 22528), (1243, 20480), (1280, 19888), (1408, 18080), (1760, 14464), (1808, 14080), (2048, 12430), (2260, 11264), (2486, 10240), (2560, 9944), (2816, 9040), (3520, 7232), (3616, 7040), (4096, 6215), (4520, 5632), (4972, 5120)]