90681940

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{85549}}^1$

素因数の和:85611

約数の個数: 24

約数和(自身を含む): 194027400

約数和(自身を除く): 103345460

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 85549, 171098, 342196, 427745, 855490, 1710980, 4534097, 9068194, 18136388, 22670485, 45340970, 90681940]

約数ペア:

[(1, 90681940), (2, 45340970), (4, 22670485), (5, 18136388), (10, 9068194), (20, 4534097), (53, 1710980), (106, 855490), (212, 427745), (265, 342196), (530, 171098), (1060, 85549)]