5451440

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{821}}^1$

素因数の和:917

約数の個数: 40

約数和(自身を含む): 12842928

約数和(自身を除く): 7391488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 821, 830, 1328, 1642, 1660, 3284, 3320, 4105, 6568, 6640, 8210, 13136, 16420, 32840, 65680, 68143, 136286, 272572, 340715, 545144, 681430, 1090288, 1362860, 2725720, 5451440]

約数ペア:

[(1, 5451440), (2, 2725720), (4, 1362860), (5, 1090288), (8, 681430), (10, 545144), (16, 340715), (20, 272572), (40, 136286), (80, 68143), (83, 65680), (166, 32840), (332, 16420), (415, 13136), (664, 8210), (821, 6640), (830, 6568), (1328, 4105), (1642, 3320), (1660, 3284)]