39911936

素因数分解:

$2^9\times {\mathrm{137}}^1\times {\mathrm{569}}^1$

素因数の和:724

約数の個数: 40

約数和(自身を含む): 80469180

約数和(自身を除く): 40557244

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 137, 256, 274, 512, 548, 569, 1096, 1138, 2192, 2276, 4384, 4552, 8768, 9104, 17536, 18208, 35072, 36416, 70144, 72832, 77953, 145664, 155906, 291328, 311812, 623624, 1247248, 2494496, 4988992, 9977984, 19955968, 39911936]

約数ペア:

[(1, 39911936), (2, 19955968), (4, 9977984), (8, 4988992), (16, 2494496), (32, 1247248), (64, 623624), (128, 311812), (137, 291328), (256, 155906), (274, 145664), (512, 77953), (548, 72832), (569, 70144), (1096, 36416), (1138, 35072), (2192, 18208), (2276, 17536), (4384, 9104), (4552, 8768)]