50020040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{178643}}^1$

素因数の和:178661

約数の個数: 32

約数和(自身を含む): 128623680

約数和(自身を除く): 78603640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 178643, 357286, 714572, 893215, 1250501, 1429144, 1786430, 2501002, 3572860, 5002004, 6252505, 7145720, 10004008, 12505010, 25010020, 50020040]

約数ペア:

[(1, 50020040), (2, 25010020), (4, 12505010), (5, 10004008), (7, 7145720), (8, 6252505), (10, 5002004), (14, 3572860), (20, 2501002), (28, 1786430), (35, 1429144), (40, 1250501), (56, 893215), (70, 714572), (140, 357286), (280, 178643)]