66998540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20807}}^1$

素因数の和:20846

約数の個数: 48

約数和(自身を含む): 167795712

約数和(自身を除く): 100797172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 20807, 41614, 83228, 104035, 145649, 208070, 291298, 416140, 478561, 582596, 728245, 957122, 1456490, 1914244, 2392805, 2912980, 3349927, 4785610, 6699854, 9571220, 13399708, 16749635, 33499270, 66998540]

約数ペア:

[(1, 66998540), (2, 33499270), (4, 16749635), (5, 13399708), (7, 9571220), (10, 6699854), (14, 4785610), (20, 3349927), (23, 2912980), (28, 2392805), (35, 1914244), (46, 1456490), (70, 957122), (92, 728245), (115, 582596), (140, 478561), (161, 416140), (230, 291298), (322, 208070), (460, 145649), (644, 104035), (805, 83228), (1610, 41614), (3220, 20807)]