3480485420

素因数分解:

$2^2\times 5^1\times {\mathrm{20641}}^1\times {\mathrm{8431}}^1$

素因数の和:29081

約数の個数: 24

約数和(自身を含む): 7310240448

約数和(自身を除く): 3829755028

約数列:

[1, 2, 4, 5, 10, 20, 8431, 16862, 20641, 33724, 41282, 42155, 82564, 84310, 103205, 168620, 206410, 412820, 174024271, 348048542, 696097084, 870121355, 1740242710, 3480485420]

約数ペア:

[(1, 3480485420), (2, 1740242710), (4, 870121355), (5, 696097084), (10, 348048542), (20, 174024271), (8431, 412820), (16862, 206410), (20641, 168620), (33724, 103205), (41282, 84310), (42155, 82564)]