80453131820

素因数分解:

$2^2\times 5^1\times {\mathrm{102251}}^1\times {\mathrm{39341}}^1$

素因数の和:141601

約数の個数: 24

約数和(自身を含む): 168957523728

約数和(自身を除く): 88504391908

約数列:

[1, 2, 4, 5, 10, 20, 39341, 78682, 102251, 157364, 196705, 204502, 393410, 409004, 511255, 786820, 1022510, 2045020, 4022656591, 8045313182, 16090626364, 20113282955, 40226565910, 80453131820]

約数ペア:

[(1, 80453131820), (2, 40226565910), (4, 20113282955), (5, 16090626364), (10, 8045313182), (20, 4022656591), (39341, 2045020), (78682, 1022510), (102251, 786820), (157364, 511255), (196705, 409004), (204502, 393410)]