2241040

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:379

約数の個数: 40

約数和(自身を含む): 5278680

約数和(自身を除く): 3037640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 257, 436, 514, 545, 872, 1028, 1090, 1285, 1744, 2056, 2180, 2570, 4112, 4360, 5140, 8720, 10280, 20560, 28013, 56026, 112052, 140065, 224104, 280130, 448208, 560260, 1120520, 2241040]

約数ペア:

[(1, 2241040), (2, 1120520), (4, 560260), (5, 448208), (8, 280130), (10, 224104), (16, 140065), (20, 112052), (40, 56026), (80, 28013), (109, 20560), (218, 10280), (257, 8720), (436, 5140), (514, 4360), (545, 4112), (872, 2570), (1028, 2180), (1090, 2056), (1285, 1744)]