28252240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18587}}^1$

素因数の和:18619

約数の個数: 40

約数和(自身を含む): 69147360

約数和(自身を除く): 40895120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 18587, 37174, 74348, 92935, 148696, 185870, 297392, 353153, 371740, 706306, 743480, 1412612, 1486960, 1765765, 2825224, 3531530, 5650448, 7063060, 14126120, 28252240]

約数ペア:

[(1, 28252240), (2, 14126120), (4, 7063060), (5, 5650448), (8, 3531530), (10, 2825224), (16, 1765765), (19, 1486960), (20, 1412612), (38, 743480), (40, 706306), (76, 371740), (80, 353153), (95, 297392), (152, 185870), (190, 148696), (304, 92935), (380, 74348), (760, 37174), (1520, 18587)]