2017580

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{359}}^1$

素因数の和:649

約数の個数: 24

約数和(自身を含む): 4263840

約数和(自身を除く): 2246260

約数列:

[1, 2, 4, 5, 10, 20, 281, 359, 562, 718, 1124, 1405, 1436, 1795, 2810, 3590, 5620, 7180, 100879, 201758, 403516, 504395, 1008790, 2017580]

約数ペア:

[(1, 2017580), (2, 1008790), (4, 504395), (5, 403516), (10, 201758), (20, 100879), (281, 7180), (359, 5620), (562, 3590), (718, 2810), (1124, 1795), (1405, 1436)]