25269920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12149}}^1$

素因数の和:12177

約数の個数: 48

約数和(自身を含む): 64297800

約数和(自身を除く): 39027880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 12149, 24298, 48596, 60745, 97192, 121490, 157937, 194384, 242980, 315874, 388768, 485960, 631748, 789685, 971920, 1263496, 1579370, 1943840, 2526992, 3158740, 5053984, 6317480, 12634960, 25269920]

約数ペア:

[(1, 25269920), (2, 12634960), (4, 6317480), (5, 5053984), (8, 3158740), (10, 2526992), (13, 1943840), (16, 1579370), (20, 1263496), (26, 971920), (32, 789685), (40, 631748), (52, 485960), (65, 388768), (80, 315874), (104, 242980), (130, 194384), (160, 157937), (208, 121490), (260, 97192), (416, 60745), (520, 48596), (1040, 24298), (2080, 12149)]