40321648

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{132637}}^1$

素因数の和:132664

約数の個数: 20

約数和(自身を含む): 82235560

約数和(自身を除く): 41913912

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 132637, 265274, 530548, 1061096, 2122192, 2520103, 5040206, 10080412, 20160824, 40321648]

約数ペア:

[(1, 40321648), (2, 20160824), (4, 10080412), (8, 5040206), (16, 2520103), (19, 2122192), (38, 1061096), (76, 530548), (152, 265274), (304, 132637)]