81728030

素因数分解:

$2^1\times 5^1\times {\mathrm{373}}^1\times {\mathrm{21911}}^1$

素因数の和:22291

約数の個数: 16

約数和(自身を含む): 147511584

約数和(自身を除く): 65783554

約数列:

[1, 2, 5, 10, 373, 746, 1865, 3730, 21911, 43822, 109555, 219110, 8172803, 16345606, 40864015, 81728030]

約数ペア:

[(1, 81728030), (2, 40864015), (5, 16345606), (10, 8172803), (373, 219110), (746, 109555), (1865, 43822), (3730, 21911)]