205122841790

素因数分解:

$2^1\times 5^1\times {\mathrm{15919}}^1\times {\mathrm{1288541}}^1$

素因数の和:1304467

約数の個数: 16

約数和(自身を含む): 369244595520

約数和(自身を除く): 164121753730

約数列:

[1, 2, 5, 10, 15919, 31838, 79595, 159190, 1288541, 2577082, 6442705, 12885410, 20512284179, 41024568358, 102561420895, 205122841790]

約数ペア:

[(1, 205122841790), (2, 102561420895), (5, 41024568358), (10, 20512284179), (15919, 12885410), (31838, 6442705), (79595, 2577082), (159190, 1288541)]