12766720

素因数分解:

$2^9\times 5^1\times {\mathrm{4987}}^1$

素因数の和:5010

約数の個数: 40

約数和(自身を含む): 30616344

約数和(自身を除く): 17849624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 4987, 9974, 19948, 24935, 39896, 49870, 79792, 99740, 159584, 199480, 319168, 398960, 638336, 797920, 1276672, 1595840, 2553344, 3191680, 6383360, 12766720]

約数ペア:

[(1, 12766720), (2, 6383360), (4, 3191680), (5, 2553344), (8, 1595840), (10, 1276672), (16, 797920), (20, 638336), (32, 398960), (40, 319168), (64, 199480), (80, 159584), (128, 99740), (160, 79792), (256, 49870), (320, 39896), (512, 24935), (640, 19948), (1280, 9974), (2560, 4987)]