560260

素因数分解:

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

素因数の和:375

約数の個数: 24

約数和(自身を含む): 1191960

約数和(自身を除く): 631700

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 257, 436, 514, 545, 1028, 1090, 1285, 2180, 2570, 5140, 28013, 56026, 112052, 140065, 280130, 560260]

約数ペア:

[(1, 560260), (2, 280130), (4, 140065), (5, 112052), (10, 56026), (20, 28013), (109, 5140), (218, 2570), (257, 2180), (436, 1285), (514, 1090), (545, 1028)]