6540500

素因数分解:

$2^2\times 5^3\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:249

約数の個数: 48

約数和(自身を含む): 14536704

約数和(自身を除く): 7996204

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 103, 125, 127, 206, 250, 254, 412, 500, 508, 515, 635, 1030, 1270, 2060, 2540, 2575, 3175, 5150, 6350, 10300, 12700, 12875, 13081, 15875, 25750, 26162, 31750, 51500, 52324, 63500, 65405, 130810, 261620, 327025, 654050, 1308100, 1635125, 3270250, 6540500]

約数ペア:

[(1, 6540500), (2, 3270250), (4, 1635125), (5, 1308100), (10, 654050), (20, 327025), (25, 261620), (50, 130810), (100, 65405), (103, 63500), (125, 52324), (127, 51500), (206, 31750), (250, 26162), (254, 25750), (412, 15875), (500, 13081), (508, 12875), (515, 12700), (635, 10300), (1030, 6350), (1270, 5150), (2060, 3175), (2540, 2575)]