39819920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{337}}^1$

素因数の和:568

約数の個数: 80

約数和(自身を含む): 106624128

約数和(自身を除く): 66804208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 211, 280, 337, 422, 560, 674, 844, 1055, 1348, 1477, 1685, 1688, 2110, 2359, 2696, 2954, 3370, 3376, 4220, 4718, 5392, 5908, 6740, 7385, 8440, 9436, 11795, 11816, 13480, 14770, 16880, 18872, 23590, 23632, 26960, 29540, 37744, 47180, 59080, 71107, 94360, 118160, 142214, 188720, 284428, 355535, 497749, 568856, 711070, 995498, 1137712, 1422140, 1990996, 2488745, 2844280, 3981992, 4977490, 5688560, 7963984, 9954980, 19909960, 39819920]

約数ペア:

[(1, 39819920), (2, 19909960), (4, 9954980), (5, 7963984), (7, 5688560), (8, 4977490), (10, 3981992), (14, 2844280), (16, 2488745), (20, 1990996), (28, 1422140), (35, 1137712), (40, 995498), (56, 711070), (70, 568856), (80, 497749), (112, 355535), (140, 284428), (211, 188720), (280, 142214), (337, 118160), (422, 94360), (560, 71107), (674, 59080), (844, 47180), (1055, 37744), (1348, 29540), (1477, 26960), (1685, 23632), (1688, 23590), (2110, 18872), (2359, 16880), (2696, 14770), (2954, 13480), (3370, 11816), (3376, 11795), (4220, 9436), (4718, 8440), (5392, 7385), (5908, 6740)]