27556400

素因数分解:

$2^4\times 5^2\times {\mathrm{68891}}^1$

素因数の和:68909

約数の個数: 30

約数和(自身を含む): 66205212

約数和(自身を除く): 38648812

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 68891, 137782, 275564, 344455, 551128, 688910, 1102256, 1377820, 1722275, 2755640, 3444550, 5511280, 6889100, 13778200, 27556400]

約数ペア:

[(1, 27556400), (2, 13778200), (4, 6889100), (5, 5511280), (8, 3444550), (10, 2755640), (16, 1722275), (20, 1377820), (25, 1102256), (40, 688910), (50, 551128), (80, 344455), (100, 275564), (200, 137782), (400, 68891)]