2013640240

素因数分解:

$2^4\times 5^1\times {\mathrm{25170503}}^1$

素因数の和:25170516

約数の個数: 20

約数和(自身を含む): 4681713744

約数和(自身を除く): 2668073504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25170503, 50341006, 100682012, 125852515, 201364024, 251705030, 402728048, 503410060, 1006820120, 2013640240]

約数ペア:

[(1, 2013640240), (2, 1006820120), (4, 503410060), (5, 402728048), (8, 251705030), (10, 201364024), (16, 125852515), (20, 100682012), (40, 50341006), (80, 25170503)]