25964345

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 35354880

約数和(自身を除く): 9390535

約数列:

[1, 5, 11, 55, 61, 71, 109, 305, 355, 545, 671, 781, 1199, 3355, 3905, 4331, 5995, 6649, 7739, 21655, 33245, 38695, 47641, 73139, 85129, 238205, 365695, 425645, 472079, 2360395, 5192869, 25964345]

約数ペア:

[(1, 25964345), (5, 5192869), (11, 2360395), (55, 472079), (61, 425645), (71, 365695), (109, 238205), (305, 85129), (355, 73139), (545, 47641), (671, 38695), (781, 33245), (1199, 21655), (3355, 7739), (3905, 6649), (4331, 5995)]