156720140890

素因数分解:

$2^1\times 5^1\times {\mathrm{20747}}^1\times {\mathrm{755387}}^1$

素因数の和:776141

約数の個数: 16

約数和(自身を含む): 282110224032

約数和(自身を除く): 125390083142

約数列:

[1, 2, 5, 10, 20747, 41494, 103735, 207470, 755387, 1510774, 3776935, 7553870, 15672014089, 31344028178, 78360070445, 156720140890]

約数ペア:

[(1, 156720140890), (2, 78360070445), (5, 31344028178), (10, 15672014089), (20747, 7553870), (41494, 3776935), (103735, 1510774), (207470, 755387)]