81253060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{580379}}^1$

素因数の和:580395

約数の個数: 24

約数和(自身を含む): 195007680

約数和(自身を除く): 113754620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 580379, 1160758, 2321516, 2901895, 4062653, 5803790, 8125306, 11607580, 16250612, 20313265, 40626530, 81253060]

約数ペア:

[(1, 81253060), (2, 40626530), (4, 20313265), (5, 16250612), (7, 11607580), (10, 8125306), (14, 5803790), (20, 4062653), (28, 2901895), (35, 2321516), (70, 1160758), (140, 580379)]