53727640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31237}}^1$

素因数の和:31291

約数の個数: 32

約数和(自身を含む): 123702480

約数和(自身を除く): 69974840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 31237, 62474, 124948, 156185, 249896, 312370, 624740, 1249480, 1343191, 2686382, 5372764, 6715955, 10745528, 13431910, 26863820, 53727640]

約数ペア:

[(1, 53727640), (2, 26863820), (4, 13431910), (5, 10745528), (8, 6715955), (10, 5372764), (20, 2686382), (40, 1343191), (43, 1249480), (86, 624740), (172, 312370), (215, 249896), (344, 156185), (430, 124948), (860, 62474), (1720, 31237)]