5254400

素因数分解:

$2^8\times 5^2\times {\mathrm{821}}^1$

素因数の和:847

約数の個数: 54

約数和(自身を含む): 13021302

約数和(自身を除く): 7766902

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 821, 1280, 1600, 1642, 3200, 3284, 4105, 6400, 6568, 8210, 13136, 16420, 20525, 26272, 32840, 41050, 52544, 65680, 82100, 105088, 131360, 164200, 210176, 262720, 328400, 525440, 656800, 1050880, 1313600, 2627200, 5254400]

約数ペア:

[(1, 5254400), (2, 2627200), (4, 1313600), (5, 1050880), (8, 656800), (10, 525440), (16, 328400), (20, 262720), (25, 210176), (32, 164200), (40, 131360), (50, 105088), (64, 82100), (80, 65680), (100, 52544), (128, 41050), (160, 32840), (200, 26272), (256, 20525), (320, 16420), (400, 13136), (640, 8210), (800, 6568), (821, 6400), (1280, 4105), (1600, 3284), (1642, 3200)]