255940

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:267

約数の個数: 24

約数和(自身を含む): 548352

約数和(自身を除く): 292412

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 191, 268, 335, 382, 670, 764, 955, 1340, 1910, 3820, 12797, 25594, 51188, 63985, 127970, 255940]

約数ペア:

[(1, 255940), (2, 127970), (4, 63985), (5, 51188), (10, 25594), (20, 12797), (67, 3820), (134, 1910), (191, 1340), (268, 955), (335, 764), (382, 670)]