53923280

素因数分解:

$2^4\times 5^1\times {\mathrm{821}}^2$

素因数の和:1655

約数の個数: 30

約数和(自身を含む): 125524518

約数和(自身を除く): 71601238

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 821, 1642, 3284, 4105, 6568, 8210, 13136, 16420, 32840, 65680, 674041, 1348082, 2696164, 3370205, 5392328, 6740410, 10784656, 13480820, 26961640, 53923280]

約数ペア:

[(1, 53923280), (2, 26961640), (4, 13480820), (5, 10784656), (8, 6740410), (10, 5392328), (16, 3370205), (20, 2696164), (40, 1348082), (80, 674041), (821, 65680), (1642, 32840), (3284, 16420), (4105, 13136), (6568, 8210)]