208280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:179

約数の個数: 32

約数和(自身を含む): 483840

約数和(自身を除く): 275560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 127, 164, 205, 254, 328, 410, 508, 635, 820, 1016, 1270, 1640, 2540, 5080, 5207, 10414, 20828, 26035, 41656, 52070, 104140, 208280]

約数ペア:

[(1, 208280), (2, 104140), (4, 52070), (5, 41656), (8, 26035), (10, 20828), (20, 10414), (40, 5207), (41, 5080), (82, 2540), (127, 1640), (164, 1270), (205, 1016), (254, 820), (328, 635), (410, 508)]