66156020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{472543}}^1$

素因数の和:472559

約数の個数: 24

約数和(自身を含む): 158774784

約数和(自身を除く): 92618764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 472543, 945086, 1890172, 2362715, 3307801, 4725430, 6615602, 9450860, 13231204, 16539005, 33078010, 66156020]

約数ペア:

[(1, 66156020), (2, 33078010), (4, 16539005), (5, 13231204), (7, 9450860), (10, 6615602), (14, 4725430), (20, 3307801), (28, 2362715), (35, 1890172), (70, 945086), (140, 472543)]