25299344

素因数分解:

$2^4\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1999}}^1$

素因数の和:2127

約数の個数: 40

約数和(自身を含む): 56544000

約数和(自身を除く): 31244656

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 113, 226, 452, 791, 904, 1582, 1808, 1999, 3164, 3998, 6328, 7996, 12656, 13993, 15992, 27986, 31984, 55972, 111944, 223888, 225887, 451774, 903548, 1581209, 1807096, 3162418, 3614192, 6324836, 12649672, 25299344]

約数ペア:

[(1, 25299344), (2, 12649672), (4, 6324836), (7, 3614192), (8, 3162418), (14, 1807096), (16, 1581209), (28, 903548), (56, 451774), (112, 225887), (113, 223888), (226, 111944), (452, 55972), (791, 31984), (904, 27986), (1582, 15992), (1808, 13993), (1999, 12656), (3164, 7996), (3998, 6328)]