40638608

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{110431}}^1$

素因数の和:110462

約数の個数: 20

約数和(自身を含む): 82161408

約数和(自身を除く): 41522800

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 110431, 220862, 441724, 883448, 1766896, 2539913, 5079826, 10159652, 20319304, 40638608]

約数ペア:

[(1, 40638608), (2, 20319304), (4, 10159652), (8, 5079826), (16, 2539913), (23, 1766896), (46, 883448), (92, 441724), (184, 220862), (368, 110431)]