152640040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{545143}}^1$

素因数の和:545161

約数の個数: 32

約数和(自身を含む): 392503680

約数和(自身を除く): 239863640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 545143, 1090286, 2180572, 2725715, 3816001, 4361144, 5451430, 7632002, 10902860, 15264004, 19080005, 21805720, 30528008, 38160010, 76320020, 152640040]

約数ペア:

[(1, 152640040), (2, 76320020), (4, 38160010), (5, 30528008), (7, 21805720), (8, 19080005), (10, 15264004), (14, 10902860), (20, 7632002), (28, 5451430), (35, 4361144), (40, 3816001), (56, 2725715), (70, 2180572), (140, 1090286), (280, 545143)]