164254040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{178537}}^1$

素因数の和:178571

約数の個数: 32

約数和(自身を含む): 385642080

約数和(自身を除く): 221388040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 178537, 357074, 714148, 892685, 1428296, 1785370, 3570740, 4106351, 7141480, 8212702, 16425404, 20531755, 32850808, 41063510, 82127020, 164254040]

約数ペア:

[(1, 164254040), (2, 82127020), (4, 41063510), (5, 32850808), (8, 20531755), (10, 16425404), (20, 8212702), (23, 7141480), (40, 4106351), (46, 3570740), (92, 1785370), (115, 1428296), (184, 892685), (230, 714148), (460, 357074), (920, 178537)]