40447984

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{109913}}^1$

素因数の和:109944

約数の個数: 20

約数和(自身を含む): 81776016

約数和(自身を除く): 41328032

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 109913, 219826, 439652, 879304, 1758608, 2527999, 5055998, 10111996, 20223992, 40447984]

約数ペア:

[(1, 40447984), (2, 20223992), (4, 10111996), (8, 5055998), (16, 2527999), (23, 1758608), (46, 879304), (92, 439652), (184, 219826), (368, 109913)]