25839385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1$

素因数の和:609

約数の個数: 32

約数和(自身を含む): 37013760

約数和(自身を除く): 11174375

約数列:

[1, 5, 11, 13, 55, 65, 71, 143, 355, 509, 715, 781, 923, 2545, 3905, 4615, 5599, 6617, 10153, 27995, 33085, 36139, 50765, 72787, 180695, 363935, 397529, 469807, 1987645, 2349035, 5167877, 25839385]

約数ペア:

[(1, 25839385), (5, 5167877), (11, 2349035), (13, 1987645), (55, 469807), (65, 397529), (71, 363935), (143, 180695), (355, 72787), (509, 50765), (715, 36139), (781, 33085), (923, 27995), (2545, 10153), (3905, 6617), (4615, 5599)]