4717520

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{541}}^1$

素因数の和:663

約数の個数: 40

約数和(自身を含む): 11089320

約数和(自身を除く): 6371800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 541, 545, 872, 1082, 1090, 1744, 2164, 2180, 2705, 4328, 4360, 5410, 8656, 8720, 10820, 21640, 43280, 58969, 117938, 235876, 294845, 471752, 589690, 943504, 1179380, 2358760, 4717520]

約数ペア:

[(1, 4717520), (2, 2358760), (4, 1179380), (5, 943504), (8, 589690), (10, 471752), (16, 294845), (20, 235876), (40, 117938), (80, 58969), (109, 43280), (218, 21640), (436, 10820), (541, 8720), (545, 8656), (872, 5410), (1082, 4360), (1090, 4328), (1744, 2705), (2164, 2180)]