85142540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{608161}}^1$

素因数の和:608177

約数の個数: 24

約数和(自身を含む): 204342432

約数和(自身を除く): 119199892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 608161, 1216322, 2432644, 3040805, 4257127, 6081610, 8514254, 12163220, 17028508, 21285635, 42571270, 85142540]

約数ペア:

[(1, 85142540), (2, 42571270), (4, 21285635), (5, 17028508), (7, 12163220), (10, 8514254), (14, 6081610), (20, 4257127), (28, 3040805), (35, 2432644), (70, 1216322), (140, 608161)]