25744040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{91943}}^1$

素因数の和:91961

約数の個数: 32

約数和(自身を含む): 66199680

約数和(自身を除く): 40455640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 91943, 183886, 367772, 459715, 643601, 735544, 919430, 1287202, 1838860, 2574404, 3218005, 3677720, 5148808, 6436010, 12872020, 25744040]

約数ペア:

[(1, 25744040), (2, 12872020), (4, 6436010), (5, 5148808), (7, 3677720), (8, 3218005), (10, 2574404), (14, 1838860), (20, 1287202), (28, 919430), (35, 735544), (40, 643601), (56, 459715), (70, 367772), (140, 183886), (280, 91943)]