25585840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:195

約数の個数: 120

約数和(自身を含む): 70990992

約数和(自身を除く): 45405152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 61, 70, 80, 98, 107, 112, 122, 140, 196, 214, 244, 245, 280, 305, 392, 427, 428, 488, 490, 535, 560, 610, 749, 784, 854, 856, 976, 980, 1070, 1220, 1498, 1708, 1712, 1960, 2135, 2140, 2440, 2989, 2996, 3416, 3745, 3920, 4270, 4280, 4880, 5243, 5978, 5992, 6527, 6832, 7490, 8540, 8560, 10486, 11956, 11984, 13054, 14945, 14980, 17080, 20972, 23912, 26108, 26215, 29890, 29960, 32635, 34160, 41944, 45689, 47824, 52216, 52430, 59780, 59920, 65270, 83888, 91378, 104432, 104860, 119560, 130540, 182756, 209720, 228445, 239120, 261080, 319823, 365512, 419440, 456890, 522160, 639646, 731024, 913780, 1279292, 1599115, 1827560, 2558584, 3198230, 3655120, 5117168, 6396460, 12792920, 25585840]

約数ペア:

[(1, 25585840), (2, 12792920), (4, 6396460), (5, 5117168), (7, 3655120), (8, 3198230), (10, 2558584), (14, 1827560), (16, 1599115), (20, 1279292), (28, 913780), (35, 731024), (40, 639646), (49, 522160), (56, 456890), (61, 419440), (70, 365512), (80, 319823), (98, 261080), (107, 239120), (112, 228445), (122, 209720), (140, 182756), (196, 130540), (214, 119560), (244, 104860), (245, 104432), (280, 91378), (305, 83888), (392, 65270), (427, 59920), (428, 59780), (488, 52430), (490, 52216), (535, 47824), (560, 45689), (610, 41944), (749, 34160), (784, 32635), (854, 29960), (856, 29890), (976, 26215), (980, 26108), (1070, 23912), (1220, 20972), (1498, 17080), (1708, 14980), (1712, 14945), (1960, 13054), (2135, 11984), (2140, 11956), (2440, 10486), (2989, 8560), (2996, 8540), (3416, 7490), (3745, 6832), (3920, 6527), (4270, 5992), (4280, 5978), (4880, 5243)]