25584640

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:307

約数の個数: 88

約数和(自身を含む): 64848960

約数和(自身を除く): 39264320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 263, 304, 320, 380, 512, 526, 608, 640, 760, 1024, 1052, 1216, 1280, 1315, 1520, 2104, 2432, 2560, 2630, 3040, 4208, 4864, 4997, 5120, 5260, 6080, 8416, 9728, 9994, 10520, 12160, 16832, 19456, 19988, 21040, 24320, 24985, 33664, 39976, 42080, 48640, 49970, 67328, 79952, 84160, 97280, 99940, 134656, 159904, 168320, 199880, 269312, 319808, 336640, 399760, 639616, 673280, 799520, 1279232, 1346560, 1599040, 2558464, 3198080, 5116928, 6396160, 12792320, 25584640]

約数ペア:

[(1, 25584640), (2, 12792320), (4, 6396160), (5, 5116928), (8, 3198080), (10, 2558464), (16, 1599040), (19, 1346560), (20, 1279232), (32, 799520), (38, 673280), (40, 639616), (64, 399760), (76, 336640), (80, 319808), (95, 269312), (128, 199880), (152, 168320), (160, 159904), (190, 134656), (256, 99940), (263, 97280), (304, 84160), (320, 79952), (380, 67328), (512, 49970), (526, 48640), (608, 42080), (640, 39976), (760, 33664), (1024, 24985), (1052, 24320), (1216, 21040), (1280, 19988), (1315, 19456), (1520, 16832), (2104, 12160), (2432, 10520), (2560, 9994), (2630, 9728), (3040, 8416), (4208, 6080), (4864, 5260), (4997, 5120)]