40942768

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{20149}}^1$

素因数の和:20284

約数の個数: 20

約数和(自身を含む): 79955200

約数和(自身を除く): 39012432

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 20149, 40298, 80596, 161192, 322384, 2558923, 5117846, 10235692, 20471384, 40942768]

約数ペア:

[(1, 40942768), (2, 20471384), (4, 10235692), (8, 5117846), (16, 2558923), (127, 322384), (254, 161192), (508, 80596), (1016, 40298), (2032, 20149)]