71688580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{123601}}^1$

素因数の和:123639

約数の個数: 24

約数和(自身を含む): 155738520

約数和(自身を除く): 84049940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 123601, 247202, 494404, 618005, 1236010, 2472020, 3584429, 7168858, 14337716, 17922145, 35844290, 71688580]

約数ペア:

[(1, 71688580), (2, 35844290), (4, 17922145), (5, 14337716), (10, 7168858), (20, 3584429), (29, 2472020), (58, 1236010), (116, 618005), (145, 494404), (290, 247202), (580, 123601)]