25005544

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 47880000

約数和(自身を除く): 22874456

約数列:

[1, 2, 4, 8, 113, 139, 199, 226, 278, 398, 452, 556, 796, 904, 1112, 1592, 15707, 22487, 27661, 31414, 44974, 55322, 62828, 89948, 110644, 125656, 179896, 221288, 3125693, 6251386, 12502772, 25005544]

約数ペア:

[(1, 25005544), (2, 12502772), (4, 6251386), (8, 3125693), (113, 221288), (139, 179896), (199, 125656), (226, 110644), (278, 89948), (398, 62828), (452, 55322), (556, 44974), (796, 31414), (904, 27661), (1112, 22487), (1592, 15707)]