83721140

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{14897}}^1$

素因数の和:15187

約数の個数: 24

約数和(自身を含む): 176451912

約数和(自身を除く): 92730772

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5620, 14897, 29794, 59588, 74485, 148970, 297940, 4186057, 8372114, 16744228, 20930285, 41860570, 83721140]

約数ペア:

[(1, 83721140), (2, 41860570), (4, 20930285), (5, 16744228), (10, 8372114), (20, 4186057), (281, 297940), (562, 148970), (1124, 74485), (1405, 59588), (2810, 29794), (5620, 14897)]