81007840

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{22013}}^1$

素因数の和:22051

約数の個数: 48

約数和(自身を含む): 199711008

約数和(自身を除く): 118703168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 22013, 44026, 88052, 110065, 176104, 220130, 352208, 440260, 506299, 704416, 880520, 1012598, 1761040, 2025196, 2531495, 3522080, 4050392, 5062990, 8100784, 10125980, 16201568, 20251960, 40503920, 81007840]

約数ペア:

[(1, 81007840), (2, 40503920), (4, 20251960), (5, 16201568), (8, 10125980), (10, 8100784), (16, 5062990), (20, 4050392), (23, 3522080), (32, 2531495), (40, 2025196), (46, 1761040), (80, 1012598), (92, 880520), (115, 704416), (160, 506299), (184, 440260), (230, 352208), (368, 220130), (460, 176104), (736, 110065), (920, 88052), (1840, 44026), (3680, 22013)]