66831680

素因数分解:

$2^6\times 5^1\times {\mathrm{457}}^2$

素因数の和:931

約数の個数: 42

約数和(自身を含む): 159491934

約数和(自身を除く): 92660254

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 457, 914, 1828, 2285, 3656, 4570, 7312, 9140, 14624, 18280, 29248, 36560, 73120, 146240, 208849, 417698, 835396, 1044245, 1670792, 2088490, 3341584, 4176980, 6683168, 8353960, 13366336, 16707920, 33415840, 66831680]

約数ペア:

[(1, 66831680), (2, 33415840), (4, 16707920), (5, 13366336), (8, 8353960), (10, 6683168), (16, 4176980), (20, 3341584), (32, 2088490), (40, 1670792), (64, 1044245), (80, 835396), (160, 417698), (320, 208849), (457, 146240), (914, 73120), (1828, 36560), (2285, 29248), (3656, 18280), (4570, 14624), (7312, 9140)]