71812720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{128237}}^1$

素因数の和:128257

約数の個数: 40

約数和(自身を含む): 190818144

約数和(自身を除く): 119005424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 128237, 256474, 512948, 641185, 897659, 1025896, 1282370, 1795318, 2051792, 2564740, 3590636, 4488295, 5129480, 7181272, 8976590, 10258960, 14362544, 17953180, 35906360, 71812720]

約数ペア:

[(1, 71812720), (2, 35906360), (4, 17953180), (5, 14362544), (7, 10258960), (8, 8976590), (10, 7181272), (14, 5129480), (16, 4488295), (20, 3590636), (28, 2564740), (35, 2051792), (40, 1795318), (56, 1282370), (70, 1025896), (80, 897659), (112, 641185), (140, 512948), (280, 256474), (560, 128237)]