25202515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 34062336

約数和(自身を除く): 8859821

約数列:

[1, 5, 13, 43, 65, 71, 127, 215, 355, 559, 635, 923, 1651, 2795, 3053, 4615, 5461, 8255, 9017, 15265, 27305, 39689, 45085, 70993, 117221, 198445, 354965, 387731, 586105, 1938655, 5040503, 25202515]

約数ペア:

[(1, 25202515), (5, 5040503), (13, 1938655), (43, 586105), (65, 387731), (71, 354965), (127, 198445), (215, 117221), (355, 70993), (559, 45085), (635, 39689), (923, 27305), (1651, 15265), (2795, 9017), (3053, 8255), (4615, 5461)]