12673280

素因数分解:

$2^8\times 5^1\times {\mathrm{9901}}^1$

素因数の和:9922

約数の個数: 36

約数和(自身を含む): 30359532

約数和(自身を除く): 17686252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 9901, 19802, 39604, 49505, 79208, 99010, 158416, 198020, 316832, 396040, 633664, 792080, 1267328, 1584160, 2534656, 3168320, 6336640, 12673280]

約数ペア:

[(1, 12673280), (2, 6336640), (4, 3168320), (5, 2534656), (8, 1584160), (10, 1267328), (16, 792080), (20, 633664), (32, 396040), (40, 316832), (64, 198020), (80, 158416), (128, 99010), (160, 79208), (256, 49505), (320, 39604), (640, 19802), (1280, 9901)]