528036524420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{643946981}}^1$

素因数の和:643947031

約数の個数: 24

約数和(自身を含む): 1135922476248

約数和(自身を除く): 607885951828

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 643946981, 1287893962, 2575787924, 3219734905, 6439469810, 12878939620, 26401826221, 52803652442, 105607304884, 132009131105, 264018262210, 528036524420]

約数ペア:

[(1, 528036524420), (2, 264018262210), (4, 132009131105), (5, 105607304884), (10, 52803652442), (20, 26401826221), (41, 12878939620), (82, 6439469810), (164, 3219734905), (205, 2575787924), (410, 1287893962), (820, 643946981)]