1313600

素因数分解:

$2^6\times 5^2\times {\mathrm{821}}^1$

素因数の和:843

約数の個数: 42

約数和(自身を含む): 3236214

約数和(自身を除く): 1922614

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 821, 1600, 1642, 3284, 4105, 6568, 8210, 13136, 16420, 20525, 26272, 32840, 41050, 52544, 65680, 82100, 131360, 164200, 262720, 328400, 656800, 1313600]

約数ペア:

[(1, 1313600), (2, 656800), (4, 328400), (5, 262720), (8, 164200), (10, 131360), (16, 82100), (20, 65680), (25, 52544), (32, 41050), (40, 32840), (50, 26272), (64, 20525), (80, 16420), (100, 13136), (160, 8210), (200, 6568), (320, 4105), (400, 3284), (800, 1642), (821, 1600)]