7806020

素因数分解:

$2^2\times 5^1\times {\mathrm{607}}^1\times {\mathrm{643}}^1$

素因数の和:1259

約数の個数: 24

約数和(自身を含む): 16445184

約数和(自身を除く): 8639164

約数列:

[1, 2, 4, 5, 10, 20, 607, 643, 1214, 1286, 2428, 2572, 3035, 3215, 6070, 6430, 12140, 12860, 390301, 780602, 1561204, 1951505, 3903010, 7806020]

約数ペア:

[(1, 7806020), (2, 3903010), (4, 1951505), (5, 1561204), (10, 780602), (20, 390301), (607, 12860), (643, 12140), (1214, 6430), (1286, 6070), (2428, 3215), (2572, 3035)]