520700

素因数分解:

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

素因数の和:182

約数の個数: 36

約数和(自身を含む): 1166592

約数和(自身を除く): 645892

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 127, 164, 205, 254, 410, 508, 635, 820, 1025, 1270, 2050, 2540, 3175, 4100, 5207, 6350, 10414, 12700, 20828, 26035, 52070, 104140, 130175, 260350, 520700]

約数ペア:

[(1, 520700), (2, 260350), (4, 130175), (5, 104140), (10, 52070), (20, 26035), (25, 20828), (41, 12700), (50, 10414), (82, 6350), (100, 5207), (127, 4100), (164, 3175), (205, 2540), (254, 2050), (410, 1270), (508, 1025), (635, 820)]