66135640

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{20929}}^1$

素因数の和:21019

約数の個数: 32

約数和(自身を含む): 150696000

約数和(自身を除く): 84560360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 20929, 41858, 83716, 104645, 167432, 209290, 418580, 837160, 1653391, 3306782, 6613564, 8266955, 13227128, 16533910, 33067820, 66135640]

約数ペア:

[(1, 66135640), (2, 33067820), (4, 16533910), (5, 13227128), (8, 8266955), (10, 6613564), (20, 3306782), (40, 1653391), (79, 837160), (158, 418580), (316, 209290), (395, 167432), (632, 104645), (790, 83716), (1580, 41858), (3160, 20929)]