81154480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{92221}}^1$

素因数の和:92245

約数の個数: 40

約数和(自身を含む): 205839504

約数和(自身を除く): 124685024

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 92221, 184442, 368884, 461105, 737768, 922210, 1014431, 1475536, 1844420, 2028862, 3688840, 4057724, 5072155, 7377680, 8115448, 10144310, 16230896, 20288620, 40577240, 81154480]

約数ペア:

[(1, 81154480), (2, 40577240), (4, 20288620), (5, 16230896), (8, 10144310), (10, 8115448), (11, 7377680), (16, 5072155), (20, 4057724), (22, 3688840), (40, 2028862), (44, 1844420), (55, 1475536), (80, 1014431), (88, 922210), (110, 737768), (176, 461105), (220, 368884), (440, 184442), (880, 92221)]