80158384

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{311}}^1$

素因数の和:589

約数の個数: 40

約数和(自身を含む): 158427360

約数和(自身を除く): 78268976

約数列:

[1, 2, 4, 8, 16, 89, 178, 181, 311, 356, 362, 622, 712, 724, 1244, 1424, 1448, 2488, 2896, 4976, 16109, 27679, 32218, 55358, 56291, 64436, 110716, 112582, 128872, 221432, 225164, 257744, 442864, 450328, 900656, 5009899, 10019798, 20039596, 40079192, 80158384]

約数ペア:

[(1, 80158384), (2, 40079192), (4, 20039596), (8, 10019798), (16, 5009899), (89, 900656), (178, 450328), (181, 442864), (311, 257744), (356, 225164), (362, 221432), (622, 128872), (712, 112582), (724, 110716), (1244, 64436), (1424, 56291), (1448, 55358), (2488, 32218), (2896, 27679), (4976, 16109)]