1320340040

素因数分解:

$2^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{112657}}^1$

素因数の和:112961

約数の個数: 32

約数和(自身を含む): 2980930680

約数和(自身を除く): 1660590640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 293, 586, 1172, 1465, 2344, 2930, 5860, 11720, 112657, 225314, 450628, 563285, 901256, 1126570, 2253140, 4506280, 33008501, 66017002, 132034004, 165042505, 264068008, 330085010, 660170020, 1320340040]

約数ペア:

[(1, 1320340040), (2, 660170020), (4, 330085010), (5, 264068008), (8, 165042505), (10, 132034004), (20, 66017002), (40, 33008501), (293, 4506280), (586, 2253140), (1172, 1126570), (1465, 901256), (2344, 563285), (2930, 450628), (5860, 225314), (11720, 112657)]