25409440

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{463}}^1$

素因数の和:499

約数の個数: 96

約数和(自身を含む): 70156800

約数和(自身を除く): 44747360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 343, 392, 463, 490, 560, 686, 784, 926, 980, 1120, 1372, 1568, 1715, 1852, 1960, 2315, 2744, 3241, 3430, 3704, 3920, 4630, 5488, 6482, 6860, 7408, 7840, 9260, 10976, 12964, 13720, 14816, 16205, 18520, 22687, 25928, 27440, 32410, 37040, 45374, 51856, 54880, 64820, 74080, 90748, 103712, 113435, 129640, 158809, 181496, 226870, 259280, 317618, 362992, 453740, 518560, 635236, 725984, 794045, 907480, 1270472, 1588090, 1814960, 2540944, 3176180, 3629920, 5081888, 6352360, 12704720, 25409440]

約数ペア:

[(1, 25409440), (2, 12704720), (4, 6352360), (5, 5081888), (7, 3629920), (8, 3176180), (10, 2540944), (14, 1814960), (16, 1588090), (20, 1270472), (28, 907480), (32, 794045), (35, 725984), (40, 635236), (49, 518560), (56, 453740), (70, 362992), (80, 317618), (98, 259280), (112, 226870), (140, 181496), (160, 158809), (196, 129640), (224, 113435), (245, 103712), (280, 90748), (343, 74080), (392, 64820), (463, 54880), (490, 51856), (560, 45374), (686, 37040), (784, 32410), (926, 27440), (980, 25928), (1120, 22687), (1372, 18520), (1568, 16205), (1715, 14816), (1852, 13720), (1960, 12964), (2315, 10976), (2744, 9260), (3241, 7840), (3430, 7408), (3704, 6860), (3920, 6482), (4630, 5488)]