23980040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{85643}}^1$

素因数の和:85661

約数の個数: 32

約数和(自身を含む): 61663680

約数和(自身を除く): 37683640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 85643, 171286, 342572, 428215, 599501, 685144, 856430, 1199002, 1712860, 2398004, 2997505, 3425720, 4796008, 5995010, 11990020, 23980040]

約数ペア:

[(1, 23980040), (2, 11990020), (4, 5995010), (5, 4796008), (7, 3425720), (8, 2997505), (10, 2398004), (14, 1712860), (20, 1199002), (28, 856430), (35, 685144), (40, 599501), (56, 428215), (70, 342572), (140, 171286), (280, 85643)]