2556710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:368

約数の個数: 32

約数和(自身を含む): 5044032

約数和(自身を除く): 2487322

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 277, 355, 554, 710, 923, 1385, 1846, 2770, 3601, 4615, 7202, 9230, 18005, 19667, 36010, 39334, 98335, 196670, 255671, 511342, 1278355, 2556710]

約数ペア:

[(1, 2556710), (2, 1278355), (5, 511342), (10, 255671), (13, 196670), (26, 98335), (65, 39334), (71, 36010), (130, 19667), (142, 18005), (277, 9230), (355, 7202), (554, 4615), (710, 3601), (923, 2770), (1385, 1846)]