25704280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{91801}}^1$

素因数の和:91819

約数の個数: 32

約数和(自身を含む): 66097440

約数和(自身を除く): 40393160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 91801, 183602, 367204, 459005, 642607, 734408, 918010, 1285214, 1836020, 2570428, 3213035, 3672040, 5140856, 6426070, 12852140, 25704280]

約数ペア:

[(1, 25704280), (2, 12852140), (4, 6426070), (5, 5140856), (7, 3672040), (8, 3213035), (10, 2570428), (14, 1836020), (20, 1285214), (28, 918010), (35, 734408), (40, 642607), (56, 459005), (70, 367204), (140, 183602), (280, 91801)]