25466840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4787}}^1$

素因数の和:4824

約数の個数: 64

約数和(自身を含む): 68947200

約数和(自身を除く): 43480360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 4787, 5320, 9574, 19148, 23935, 33509, 38296, 47870, 67018, 90953, 95740, 134036, 167545, 181906, 191480, 268072, 335090, 363812, 454765, 636671, 670180, 727624, 909530, 1273342, 1340360, 1819060, 2546684, 3183355, 3638120, 5093368, 6366710, 12733420, 25466840]

約数ペア:

[(1, 25466840), (2, 12733420), (4, 6366710), (5, 5093368), (7, 3638120), (8, 3183355), (10, 2546684), (14, 1819060), (19, 1340360), (20, 1273342), (28, 909530), (35, 727624), (38, 670180), (40, 636671), (56, 454765), (70, 363812), (76, 335090), (95, 268072), (133, 191480), (140, 181906), (152, 167545), (190, 134036), (266, 95740), (280, 90953), (380, 67018), (532, 47870), (665, 38296), (760, 33509), (1064, 23935), (1330, 19148), (2660, 9574), (4787, 5320)]