81325070

素因数分解:

$2^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{45433}}^1$

素因数の和:45619

約数の個数: 16

約数和(自身を含む): 147206160

約数和(自身を除く): 65881090

約数列:

[1, 2, 5, 10, 179, 358, 895, 1790, 45433, 90866, 227165, 454330, 8132507, 16265014, 40662535, 81325070]

約数ペア:

[(1, 81325070), (2, 40662535), (5, 16265014), (10, 8132507), (179, 454330), (358, 227165), (895, 90866), (1790, 45433)]