12874880

素因数分解:

$2^7\times 5^1\times {\mathrm{20117}}^1$

素因数の和:20136

約数の個数: 32

約数和(自身を含む): 30780540

約数和(自身を除く): 17905660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 20117, 40234, 80468, 100585, 160936, 201170, 321872, 402340, 643744, 804680, 1287488, 1609360, 2574976, 3218720, 6437440, 12874880]

約数ペア:

[(1, 12874880), (2, 6437440), (4, 3218720), (5, 2574976), (8, 1609360), (10, 1287488), (16, 804680), (20, 643744), (32, 402340), (40, 321872), (64, 201170), (80, 160936), (128, 100585), (160, 80468), (320, 40234), (640, 20117)]