40281088

素因数分解:

$2^{10}\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:442

約数の個数: 44

約数和(自身を含む): 81388720

約数和(自身を除く): 41107632

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 139, 256, 278, 283, 512, 556, 566, 1024, 1112, 1132, 2224, 2264, 4448, 4528, 8896, 9056, 17792, 18112, 35584, 36224, 39337, 71168, 72448, 78674, 142336, 144896, 157348, 289792, 314696, 629392, 1258784, 2517568, 5035136, 10070272, 20140544, 40281088]

約数ペア:

[(1, 40281088), (2, 20140544), (4, 10070272), (8, 5035136), (16, 2517568), (32, 1258784), (64, 629392), (128, 314696), (139, 289792), (256, 157348), (278, 144896), (283, 142336), (512, 78674), (556, 72448), (566, 71168), (1024, 39337), (1112, 36224), (1132, 35584), (2224, 18112), (2264, 17792), (4448, 9056), (4528, 8896)]