87590020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{625643}}^1$

素因数の和:625659

約数の個数: 24

約数和(自身を含む): 210216384

約数和(自身を除く): 122626364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 625643, 1251286, 2502572, 3128215, 4379501, 6256430, 8759002, 12512860, 17518004, 21897505, 43795010, 87590020]

約数ペア:

[(1, 87590020), (2, 43795010), (4, 21897505), (5, 17518004), (7, 12512860), (10, 8759002), (14, 6256430), (20, 4379501), (28, 3128215), (35, 2502572), (70, 1251286), (140, 625643)]