26781580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{191297}}^1$

素因数の和:191313

約数の個数: 24

約数和(自身を含む): 64276128

約数和(自身を除く): 37494548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 191297, 382594, 765188, 956485, 1339079, 1912970, 2678158, 3825940, 5356316, 6695395, 13390790, 26781580]

約数ペア:

[(1, 26781580), (2, 13390790), (4, 6695395), (5, 5356316), (7, 3825940), (10, 2678158), (14, 1912970), (20, 1339079), (28, 956485), (35, 765188), (70, 382594), (140, 191297)]