51499520

素因数分解:

$2^9\times 5^1\times {\mathrm{20117}}^1$

素因数の和:20140

約数の個数: 40

約数和(自身を含む): 123484284

約数和(自身を除く): 71984764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 20117, 40234, 80468, 100585, 160936, 201170, 321872, 402340, 643744, 804680, 1287488, 1609360, 2574976, 3218720, 5149952, 6437440, 10299904, 12874880, 25749760, 51499520]

約数ペア:

[(1, 51499520), (2, 25749760), (4, 12874880), (5, 10299904), (8, 6437440), (10, 5149952), (16, 3218720), (20, 2574976), (32, 1609360), (40, 1287488), (64, 804680), (80, 643744), (128, 402340), (160, 321872), (256, 201170), (320, 160936), (512, 100585), (640, 80468), (1280, 40234), (2560, 20117)]