25908208

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:389

約数の個数: 40

約数和(自身を含む): 51584000

約数和(自身を除く): 25675792

約数列:

[1, 2, 4, 8, 16, 79, 103, 158, 199, 206, 316, 398, 412, 632, 796, 824, 1264, 1592, 1648, 3184, 8137, 15721, 16274, 20497, 31442, 32548, 40994, 62884, 65096, 81988, 125768, 130192, 163976, 251536, 327952, 1619263, 3238526, 6477052, 12954104, 25908208]

約数ペア:

[(1, 25908208), (2, 12954104), (4, 6477052), (8, 3238526), (16, 1619263), (79, 327952), (103, 251536), (158, 163976), (199, 130192), (206, 125768), (316, 81988), (398, 65096), (412, 62884), (632, 40994), (796, 32548), (824, 31442), (1264, 20497), (1592, 16274), (1648, 15721), (3184, 8137)]