25840640

素因数分解:

$2^{10}\times 5^1\times 7^2\times {\mathrm{103}}^1$

素因数の和:142

約数の個数: 132

約数和(自身を含む): 72807696

約数和(自身を除く): 46967056

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 103, 112, 128, 140, 160, 196, 206, 224, 245, 256, 280, 320, 392, 412, 448, 490, 512, 515, 560, 640, 721, 784, 824, 896, 980, 1024, 1030, 1120, 1280, 1442, 1568, 1648, 1792, 1960, 2060, 2240, 2560, 2884, 3136, 3296, 3584, 3605, 3920, 4120, 4480, 5047, 5120, 5768, 6272, 6592, 7168, 7210, 7840, 8240, 8960, 10094, 11536, 12544, 13184, 14420, 15680, 16480, 17920, 20188, 23072, 25088, 25235, 26368, 28840, 31360, 32960, 35840, 40376, 46144, 50176, 50470, 52736, 57680, 62720, 65920, 80752, 92288, 100940, 105472, 115360, 125440, 131840, 161504, 184576, 201880, 230720, 250880, 263680, 323008, 369152, 403760, 461440, 527360, 646016, 738304, 807520, 922880, 1292032, 1615040, 1845760, 2584064, 3230080, 3691520, 5168128, 6460160, 12920320, 25840640]

約数ペア:

[(1, 25840640), (2, 12920320), (4, 6460160), (5, 5168128), (7, 3691520), (8, 3230080), (10, 2584064), (14, 1845760), (16, 1615040), (20, 1292032), (28, 922880), (32, 807520), (35, 738304), (40, 646016), (49, 527360), (56, 461440), (64, 403760), (70, 369152), (80, 323008), (98, 263680), (103, 250880), (112, 230720), (128, 201880), (140, 184576), (160, 161504), (196, 131840), (206, 125440), (224, 115360), (245, 105472), (256, 100940), (280, 92288), (320, 80752), (392, 65920), (412, 62720), (448, 57680), (490, 52736), (512, 50470), (515, 50176), (560, 46144), (640, 40376), (721, 35840), (784, 32960), (824, 31360), (896, 28840), (980, 26368), (1024, 25235), (1030, 25088), (1120, 23072), (1280, 20188), (1442, 17920), (1568, 16480), (1648, 15680), (1792, 14420), (1960, 13184), (2060, 12544), (2240, 11536), (2560, 10094), (2884, 8960), (3136, 8240), (3296, 7840), (3584, 7210), (3605, 7168), (3920, 6592), (4120, 6272), (4480, 5768), (5047, 5120)]