80164280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{286301}}^1$

素因数の和:286319

約数の個数: 32

約数和(自身を含む): 206137440

約数和(自身を除く): 125973160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 286301, 572602, 1145204, 1431505, 2004107, 2290408, 2863010, 4008214, 5726020, 8016428, 10020535, 11452040, 16032856, 20041070, 40082140, 80164280]

約数ペア:

[(1, 80164280), (2, 40082140), (4, 20041070), (5, 16032856), (7, 11452040), (8, 10020535), (10, 8016428), (14, 5726020), (20, 4008214), (28, 2863010), (35, 2290408), (40, 2004107), (56, 1431505), (70, 1145204), (140, 572602), (280, 286301)]