9007640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5237}}^1$

素因数の和:5291

約数の個数: 32

約数和(自身を含む): 20742480

約数和(自身を除く): 11734840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 5237, 10474, 20948, 26185, 41896, 52370, 104740, 209480, 225191, 450382, 900764, 1125955, 1801528, 2251910, 4503820, 9007640]

約数ペア:

[(1, 9007640), (2, 4503820), (4, 2251910), (5, 1801528), (8, 1125955), (10, 900764), (20, 450382), (40, 225191), (43, 209480), (86, 104740), (172, 52370), (215, 41896), (344, 26185), (430, 20948), (860, 10474), (1720, 5237)]