173173640

素因数分解:

$2^3\times 5^1\times {\mathrm{1361}}^1\times {\mathrm{3181}}^1$

素因数の和:4553

約数の個数: 32

約数和(自身を含む): 390049560

約数和(自身を除く): 216875920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1361, 2722, 3181, 5444, 6362, 6805, 10888, 12724, 13610, 15905, 25448, 27220, 31810, 54440, 63620, 127240, 4329341, 8658682, 17317364, 21646705, 34634728, 43293410, 86586820, 173173640]

約数ペア:

[(1, 173173640), (2, 86586820), (4, 43293410), (5, 34634728), (8, 21646705), (10, 17317364), (20, 8658682), (40, 4329341), (1361, 127240), (2722, 63620), (3181, 54440), (5444, 31810), (6362, 27220), (6805, 25448), (10888, 15905), (12724, 13610)]