25795315

素因数分解:

$5^1\times 7^3\times {\mathrm{13}}^2\times {\mathrm{89}}^1$

素因数の和:141

約数の個数: 48

約数和(自身を含む): 39528000

約数和(自身を除く): 13732685

約数列:

[1, 5, 7, 13, 35, 49, 65, 89, 91, 169, 245, 343, 445, 455, 623, 637, 845, 1157, 1183, 1715, 3115, 3185, 4361, 4459, 5785, 5915, 8099, 8281, 15041, 21805, 22295, 30527, 40495, 41405, 56693, 57967, 75205, 105287, 152635, 283465, 289835, 396851, 526435, 737009, 1984255, 3685045, 5159063, 25795315]

約数ペア:

[(1, 25795315), (5, 5159063), (7, 3685045), (13, 1984255), (35, 737009), (49, 526435), (65, 396851), (89, 289835), (91, 283465), (169, 152635), (245, 105287), (343, 75205), (445, 57967), (455, 56693), (623, 41405), (637, 40495), (845, 30527), (1157, 22295), (1183, 21805), (1715, 15041), (3115, 8281), (3185, 8099), (4361, 5915), (4459, 5785)]