26420015

素因数分解:

$5^1\times {\mathrm{29}}^2\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:227

約数の個数: 24

約数和(自身を含む): 33697248

約数和(自身を除く): 7277233

約数列:

[1, 5, 29, 61, 103, 145, 305, 515, 841, 1769, 2987, 4205, 6283, 8845, 14935, 31415, 51301, 86623, 182207, 256505, 433115, 911035, 5284003, 26420015]

約数ペア:

[(1, 26420015), (5, 5284003), (29, 911035), (61, 433115), (103, 256505), (145, 182207), (305, 86623), (515, 51301), (841, 31415), (1769, 14935), (2987, 8845), (4205, 6283)]