4482080

素因数分解:

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

素因数の和:381

約数の個数: 48

約数和(自身を含む): 10727640

約数和(自身を除く): 6245560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 257, 436, 514, 545, 872, 1028, 1090, 1285, 1744, 2056, 2180, 2570, 3488, 4112, 4360, 5140, 8224, 8720, 10280, 17440, 20560, 28013, 41120, 56026, 112052, 140065, 224104, 280130, 448208, 560260, 896416, 1120520, 2241040, 4482080]

約数ペア:

[(1, 4482080), (2, 2241040), (4, 1120520), (5, 896416), (8, 560260), (10, 448208), (16, 280130), (20, 224104), (32, 140065), (40, 112052), (80, 56026), (109, 41120), (160, 28013), (218, 20560), (257, 17440), (436, 10280), (514, 8720), (545, 8224), (872, 5140), (1028, 4360), (1090, 4112), (1285, 3488), (1744, 2570), (2056, 2180)]